#10685: All subgroups of a permutation group
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Reporter: rbeezer | Owner: joyner
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-4.6.2
Component: group theory | Keywords:
Author: Rob Beezer | Upstream: N/A
Reviewer: Dmitrii Pasechnik | Merged:
Work_issues: |
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Changes (by rbeezer):
* status: needs_work => positive_review
* work_issues: rebase =>
Old description:
> New method for permutation groups gets all the subgroups from GAP, via
> the conjugacy classes of subgroups.
>
> Yes, this takes a very long time to compute and generates tons of output.
> A big warning in the docstring emphasizes this. But for small groups it
> is extremely instructive, well worth having, and way better than
> computing by hand. I've been wanting this for about two years now.
New description:
New method for permutation groups gets all the subgroups from GAP, via the
conjugacy classes of subgroups.
Yes, this takes a very long time to compute and generates tons of output.
A big warning in the docstring emphasizes this. But for small groups it
is extremely instructive, well worth having, and way better than computing
by hand. I've been wanting this for about two years now.
Apply trac_10685-permutation-group-subgroups-v3.patch
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Comment:
Rebased patch on 4.6.2.alpha2 is the "v3" patch.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10685#comment:10>
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