Cremona's table of elliptic curves

Curve 40768m1

40768 = 26 · 72 · 13



Data for elliptic curve 40768m1

Field Data Notes
Atkin-Lehner 2+ 7- 13+ Signs for the Atkin-Lehner involutions
Class 40768m Isogeny class
Conductor 40768 Conductor
∏ cp 32 Product of Tamagawa factors cp
deg 1658880 Modular degree for the optimal curve
Δ -1.8746012400363E+21 Discriminant
Eigenvalues 2+  0  2 7- -4 13+  6  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,2716756,-1169926352] [a1,a2,a3,a4,a6]
j 71903073502287/60782804992 j-invariant
L 2.6184059519119 L(r)(E,1)/r!
Ω 0.081825185999982 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 4 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 40768cl1 1274k1 5824e1 Quadratic twists by: -4 8 -7


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations