#14577: Bug in the case S_4 in Galois representations of elliptic curves
-----------------------------------------------------------+----------------
Reporter: wuthrich | Owner:
cremona
Type: defect | Status:
needs_review
Priority: major | Milestone:
sage-5.10
Component: elliptic curves | Resolution:
Keywords: galois representations, elliptic curves | Work issues:
Report Upstream: N/A | Reviewers:
Frédéric Chapoton
Authors: Chris Wuthrich | Merged in:
Dependencies: | Stopgaps:
-----------------------------------------------------------+----------------
Description changed by chapoton:
Old description:
> John Cremona noted that
>
> {{{
> sage: EllipticCurve('50700u1').galois_representation().image_type(13)
> }}}
>
> produces
>
> {{{
> AssertionError: bug in image_type.
> }}}
New description:
John Cremona noted that
{{{
sage: EllipticCurve('50700u1').galois_representation().image_type(13)
}}}
produces
{{{
AssertionError: bug in image_type.
}}}
Apply
* [attachment:trac_14577_bug_in_galois_reps.patch]
* [attachment:trac_14577_bug_in_galois_reps-addon1.patch]
--
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14577#comment:10>
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