#9292: Parabolic and reflection subgroups of Coxeter groups
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Reporter: nthiery | Owner: sage-combinat
Type: enhancement | Status: new
Priority: major | Milestone: sage-wishlist
Component: combinatorics | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Description changed by nthiery:
Old description:
New description:
Potential interface:
{{{
sage: W = SymmetricGroup(5)
sage: P = W.parabolic_subgroup((1,3,4))
# TODO: add desired features here
sage: TestSuite(P).run()
}}}
{{{
sage: P = W.reflection_subgroup(<a list/family of reflections>)
sage: TestSuite(P).run()
}}}
Proof of concept attached.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9292#comment:1>
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