#11422: modular subgroups
------------------------------+---------------------------------------------
Reporter: vdelecroix | Owner: vdelecroix
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-4.7.2
Component: modular forms | Keywords: group, arithmetic, linear
group, sl, modular
Work_issues: | Upstream: N/A
Reviewer: David Loeffler | Author: Vincent Delecroix
Merged: | Dependencies: #10334, #10335
------------------------------+---------------------------------------------
Description changed by leif:
Old description:
> This ticket aims to extend capability of the class
> ArithmeticSubgroup_Permutation in sage.modular.arithgroup_perm. This is
> now possible to deal with any subgroup of `SL(2,Z)` and many new methods
> are available (in particular equality of subgroups, conjugacy problem,
> ...)
>
> I reimplement the method todd_coxeter of
> sage.modular.arithgroup.arithgroup_generic to be faster and with more
> output.
>
> I also created a test file for arithmetic subgroup.
>
> See details and documentation in the patch.
New description:
This ticket aims to extend capability of the class
`ArithmeticSubgroup_Permutation` in `sage.modular.arithgroup_perm`. This
is now possible to deal with any subgroup of `SL(2,Z)` and many new
methods are available (in particular equality of subgroups, conjugacy
problem, ...)
I reimplement the method `todd_coxeter` of
`sage.modular.arithgroup.arithgroup_generic` to be faster and with more
output.
I also created a test file for arithmetic subgroup.
See details and documentation in the patch.
----
Apply
1. [attachment:trac_11422-sl2z_subgroups.patch]
1. [attachment:trac_11422-reviewerfix.patch]
1. [attachment:trac_11422_unpicklefix.patch]
to the Sage library.
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11422#comment:24>
Sage <http://www.sagemath.org>
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