[sage-devel] isogeny_class for EC_NumberField sometimes raises errors

2022-07-12 Thread Barinder Banwait
Dear sage-devel, I am running into an issue with computing isogeny classes of elliptic curves over number fields. Here is what I entered: K. = QuadraticField(4569) myJ = 46969655/32768 E = EllipticCurve(j=K(myJ)) C = E.isogeny_class() This raises a KeyError in the first instance, which seems t

Re: [sage-devel] Re: lcalc.analytic_rank fails

2020-03-22 Thread Barinder Banwait
t wishes, > > Peter > > > Op woensdag 18 maart 2020 13:36:46 UTC+1 schreef Barinder Banwait: >> >> MWE: >> >> sage: A = >> -17737878703644595885728157881856/2195118875780412735240966796875 >> sage: B = >> 76386743039924534000525642916220282

[sage-devel] lcalc.analytic_rank fails

2020-03-18 Thread Barinder Banwait
MWE: sage: A = -17737878703644595885728157881856/2195118875780412735240966796875 sage: B = 76386743039924534000525642916220282669332545616695170155741184/4818546878807463076444691815463494370294881403446197509765625 sage: E = EllipticCurve([A,B]) sage: lcalc.analytic_rank(E) This produces "***