#17845: Clean up conjugacy classes
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.6
Component: group theory | Keywords:
Merged in: | Authors: Vincent Delecroix
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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The method .conjugacy_class is defined in too much places:
- `categories/finite_groups.py`
- `groups/matrix_gps/group_element.py`
- `groups/perm_gps/permgroup_element.pyx`
We move the basic definition on elements into the category of groups and
on parents in the category of groups and `GroupMixinLibGAP`.
As a consequence much more groups beneficiate from the GAP implementation
(e.g. Weyl groups).
We also implement the cardinality using `Size()` from GAP (the fallback is
the useless `_cardinality_from_iterator`).
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Ticket URL: <http://trac.sagemath.org/ticket/17845>
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