#10999: Elliptic curve generators from the database lie on the wrong curve
-------------------------------+--------------------------------------------
Reporter: gagansekhon | Owner: cremona
Type: defect | Status: needs_work
Priority: minor | Milestone: sage-4.7.1
Component: elliptic curves | Keywords: Cremona database, integral
points, gens
Work_issues: | Upstream: N/A
Reviewer: Jamie Weigandt | Author: John Cremona
Merged: | Dependencies:
-------------------------------+--------------------------------------------
Changes (by mstreng):
* cc: mstreng (added)
* status: needs_review => needs_work
Comment:
sage 4.7 without database spkg without patch:
{{{
sage: E=EllipticCurve('389a1')
sage: E.gens()
[(-1 : 1 : 1), (0 : -1 : 1)]
}}}
sage 4.7 without database spkg with patch:
{{{
sage: E=EllipticCurve('389a1')
sage: E.gens()
...
AttributeError: 'EllipticCurve_rational_field' object has no attribute
'_EllipticCurve_rational_field__gens'
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10999#comment:11>
Sage <http://www.sagemath.org>
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