#4453: elliptic curves -- heegner_index command gives nonsense when rank > 1
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Reporter: was | Owner:
Type: defect | Status: needs_info
Priority: minor | Milestone: sage-4.7.2
Component: elliptic curves | Keywords:
Work_issues: | Upstream: N/A
Reviewer: John Cremona | Author: William Stein
Merged: | Dependencies:
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Changes (by zimmerma):
* status: needs_work => needs_info
Comment:
this patch still applies fine to 4.7.1, and the new examples in the patch
seem to work.
However the description says that the following should give 0 and not
{{{+Infinity}}}:
{{{
sage: E = EllipticCurve('389a')
sage: E.heegner_index(-7)
+Infinity
}}}
Is the description wrong?
Paul
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4453#comment:10>
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