Cremona's table of elliptic curves

Curve 12640b1

12640 = 25 · 5 · 79



Data for elliptic curve 12640b1

Field Data Notes
Atkin-Lehner 2+ 5+ 79+ Signs for the Atkin-Lehner involutions
Class 12640b Isogeny class
Conductor 12640 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 2176 Modular degree for the optimal curve
Δ -1617920 = -1 · 212 · 5 · 79 Discriminant
Eigenvalues 2+ -1 5+ -5 -3  0  6 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,19,-59] [a1,a2,a3,a4,a6]
Generators [3:4:1] Generators of the group modulo torsion
j 175616/395 j-invariant
L 2.1458700095284 L(r)(E,1)/r!
Ω 1.3834945189358 Real period
R 0.77552530210923 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 12640c1 25280y1 113760bl1 63200n1 Quadratic twists by: -4 8 -3 5


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