#13251: Add General Dihedral Groups as Permutation Groups
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Reporter: khalasz | Owner: joyner
Type: enhancement | Status: positive_review
Priority: minor | Milestone: sage-5.3
Component: group theory | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Benjamin Jones
Authors: Kevin Halasz | Merged in:
Dependencies: | Stopgaps:
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Changes (by benjaminfjones):
* status: needs_review => positive_review
Old description:
> Implements the finite Generalized dihedral groups.
> A Generalized dihedral group is the semi-direct product of an abelian
> group with C2, where C2 acts on the abelian group by sending elements to
> their inverse.
> This adds a group of order 18 that is not part of any other family
> currently implemented in sage, as well as others of not so small order.
>
> '''Apply'''
> 1. [attachment: 13251_generaldihedralgroups-v2.patch]
New description:
Implements the finite Generalized dihedral groups.
A Generalized dihedral group is the semi-direct product of an abelian
group with C2, where C2 acts on the abelian group by sending elements to
their inverse.
This adds a group of order 18 that is not part of any other family
currently implemented in sage, as well as others of not so small order.
'''Apply'''
1. [attachment:13251_generaldihedralgroups-v2.2.patch]
--
Comment:
Everything came back good. I attached a reviewer patch to clean up some
trailing whitespace from your most recent patch. This isn't a bug deal,
just a cosmetic thing (and not everyone agrees on what should be done
about it).
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13251#comment:6>
Sage <http://www.sagemath.org>
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