#5156: [with patch; needs review] implement computation of the conjectural
(analytic) order of Sha for elliptic curves over Heegner quadratic
imaginary fields
---------------------------+------------------------------------------------
Reporter: was | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-3.3
Component: number theory | Resolution:
Keywords: |
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Comment (by rlm):
Applied to 3.3.alpha2, I get the following errors:
{{{
**********************************************************************
"sage/schemes/elliptic_curves/ell_rational_field.py", line 4033:
sage: P = G(E.0) + G(E.1) + G(phi(F.0)); P
Expected:
(-51/1058*a + 141/1058 : -1581/12167*a - 9912/12167 : 1)
Got:
(-867/3872*a - 3615/3872 : -18003/170368*a - 374575/170368 : 1)
**********************************************************************
"sage/schemes/elliptic_curves/ell_rational_field.py", line 4036:
sage: P.division_points(2)
Expected:
[(1/2*a - 1/2 : 1/2*a - 5/2 : 1)]
Got:
[(1/8*a + 5/8 : -5/16*a - 9/16 : 1)]
**********************************************************************
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/5156#comment:3>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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