#12949: Better congruence testing for odd arithmetic subgroups
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Reporter: davidloeffler | Owner: craigcitro
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.11
Component: modular forms | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Vincent Delecroix
Authors: David Loeffler | Merged in:
Dependencies: | Stopgaps:
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Changes (by davidloeffler):
* status: needs_info => needs_review
* work_issues: ref issue + test =>
Comment:
Dear Vincent,
Hamilton gave his permission for the work to be put on the Arxiv, so
here's a new patch that references the Arxiv preprint. There is also a
test in "tests.py" which compares {{{is_congruence}}} against
{{{congruence_closure}}}, and a slight tweak to the congruence subgroup
initialization code that makes the test run a little faster.
Best regards, David
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12949#comment:8>
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