A221702 - OEIS

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A221702

q-expansion of modular form (of weight 2 and level 800) associated with the curve y^2 = x^3 - 25x.

0, 1, 0, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, -6, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -10, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, -7, 0, 0, 0, -14, 0, 0, 0, 0, 0, 0, 0, -10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 0, 0, 10

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,10

LINKS

Robin Visser, Table of n, a(n) for n = 0..10000

F. Q. Gouvea, Review of "Elliptic Curves, Modular Forms and Their L-functions" by A. Lozano-Robledo, Amer. Math. Monthly. 120 (Jan. 2013), 84-94.

EXAMPLE

q - 3*q^9 - 6*q^13 - 2*q^17 - 10*q^29 + 2*q^37 + 10*q^41 - 7*q^49 + ...

PROG

(Sage)

def a(n):

E = EllipticCurve([-25, 0])