I don't have time to track this down at the moment, but as it is a bit embarrassing I thought I'd report it here for now:
sage: R.<d> = QQ[] sage: E = EllipticCurve([0,0,0,-595*d^2,5586*d^3]) sage: E.discriminant().factor() (1404928) * d^6 sage: 2^12*7^3 1404928 -- Robert L. Miller http://www.rlmiller.org/ -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org