Several errors on browsing abstract groups

[edgarcosta]

Exception on /Groups/Abstract/ [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 792, in index
    return conjugacy_class_search(info)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/utils/search_wrapper.py", line 259, in __call__
    res = self.postprocess(res, info, query)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 1748, in cc_postprocess
    if complex_char_known[group]:
KeyError: '4015.1'
[2026-01-12 00:27:14 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/?group=4015.a&order=5&search_type=ConjugacyClasses ()
Exception on /Groups/Abstract/ [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 792, in index
    return conjugacy_class_search(info)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/utils/search_wrapper.py", line 259, in __call__
    res = self.postprocess(res, info, query)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 1748, in cc_postprocess
    if complex_char_known[group]:
KeyError: '5430.6'
[2026-01-12 01:08:55 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/?group=5430.f&order=10&search_type=ConjugacyClasses ()
Exception on /Groups/Abstract/sub/4096.ne.512.BT [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 980, in by_subgroup_label
    return render_abstract_subgroup(label)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 2031, in render_abstract_subgroup
    return render_template(
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/templating.py", line 154, in render_template
    return _render(
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/templating.py", line 128, in _render
    rv = template.render(context)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/jinja2/environment.py", line 1304, in render
    self.environment.handle_exception()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/jinja2/environment.py", line 939, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/templates/abstract-show-subgroup.html", line 1, in top-level template code
    {% extends "homepage.html" %}
  File "/home/lmfdb/lmfdb-git-web/lmfdb/templates/homepage.html", line 5, in top-level template code
    {{ CodeSnippet(code, item).place_code(is_top_snippet=is_top_snippet) }}
  File "/home/lmfdb/lmfdb-git-web/lmfdb/templates/base.html", line 206, in top-level template code
    {% block body -%}{%- endblock body %}
  File "/home/lmfdb/lmfdb-git-web/lmfdb/templates/homepage.html", line 207, in block 'body'
    {% block content -%}
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/templates/abstract-show-subgroup.html", line 113, in block 'content'
    {{seq.quo.show_outer_group()|safe}}
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/web_groups.py", line 2612, in show_outer_group
    return f"Group of order {self.order_order}"
AttributeError: 'WebAbstractGroup' object has no attribute 'order_order'
[2026-01-12 03:37:26 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/sub/4096.ne.512.BT ()
Exception on /Groups/Abstract/ [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 792, in index
    return conjugacy_class_search(info)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/utils/search_wrapper.py", line 259, in __call__
    res = self.postprocess(res, info, query)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 1748, in cc_postprocess
    if complex_char_known[group]:
KeyError: '12550.1'
[2026-01-12 03:59:39 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/?group=12550.a&order=50&search_type=ConjugacyClasses ()
Exception on /Groups/Abstract/ [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 792, in index
    return conjugacy_class_search(info)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/utils/search_wrapper.py", line 259, in __call__
    res = self.postprocess(res, info, query)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 1748, in cc_postprocess
    if complex_char_known[group]:
KeyError: '12425.1'
[2026-01-12 06:52:33 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/?group=12425.a&search_type=ConjugacyClasses ()
Exception on /Groups/Abstract/ [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 792, in index
    return conjugacy_class_search(info)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/utils/search_wrapper.py", line 259, in __call__
    res = self.postprocess(res, info, query)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 1748, in cc_postprocess
    if complex_char_known[group]:
KeyError: '2742.3'
[2026-01-12 13:26:17 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/?group=2742.c&order=3&search_type=ConjugacyClasses ()
Exception on /Groups/Abstract/ [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 792, in index
    return conjugacy_class_search(info)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/utils/search_wrapper.py", line 259, in __call__
    res = self.postprocess(res, info, query)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 1748, in cc_postprocess
    if complex_char_known[group]:
KeyError: '5253.4'
[2026-01-12 13:41:54 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/?group=5253.d&order=309&search_type=ConjugacyClasses ()
Exception on /Groups/Abstract/ [GET]
Traceback (most recent call last):
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1519, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1517, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/sage/sage-10.4/local/var/lib/sage/venv-python3.10/lib/python3.10/site-packages/flask/app.py", line 1503, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 792, in index
    return conjugacy_class_search(info)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/utils/search_wrapper.py", line 259, in __call__
    res = self.postprocess(res, info, query)
  File "/home/lmfdb/lmfdb-git-web/lmfdb/groups/abstract/main.py", line 1748, in cc_postprocess
    if complex_char_known[group]:
KeyError: '49506.1'
[2026-01-12 14:17:28 UTC] 500 error on URL https://www.lmfdb.org/Groups/Abstract/?group=49506.a&search_type=ConjugacyClasses ()

[jenpaulhus]

Thanks Edgar. The order_order error that showed up once is fixed by #6807. The rest are an issue where Magma now identifies a lot more groups (so for example 49506.1 is known to Magma) but we have it stored sometimes as 49506.a and we still call it that.