#4453: elliptic curves -- heegner_index command gives nonsense when rank > 1
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Reporter: was | Owner:
Type: defect | Status: needs_work
Priority: minor | Milestone: sage-4.7.2
Component: elliptic curves | Keywords:
Work_issues: one doctest fails | Upstream: N/A
Reviewer: John Cremona | Author: William Stein
Merged: | Dependencies:
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Changes (by zimmerma):
* status: needs_review => needs_work
* work_issues: => one doctest fails
Comment:
the failure mentioned in comment [comment:8] is still there:
{{{
sage: E = EllipticCurve([0, 0, 1, -34874, -2506691])
sage: E.heegner_index(-8, descent_second_limit=16)
...
RuntimeError: Rank not provably correct.
}}}
thus this ticket needs work.
Paul
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4453#comment:13>
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