Cremona's table of elliptic curves

Curve 70720y1

70720 = 26 · 5 · 13 · 17



Data for elliptic curve 70720y1

Field Data Notes
Atkin-Lehner 2- 5+ 13+ 17+ Signs for the Atkin-Lehner involutions
Class 70720y Isogeny class
Conductor 70720 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 21504 Modular degree for the optimal curve
Δ 141440000 = 210 · 54 · 13 · 17 Discriminant
Eigenvalues 2- -2 5+ -4  0 13+ 17+  2 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-261,1435] [a1,a2,a3,a4,a6]
Generators [-18:25:1] [-9:56:1] Generators of the group modulo torsion
j 1927561216/138125 j-invariant
L 6.0040316943422 L(r)(E,1)/r!
Ω 1.8011059312044 Real period
R 3.3335250249854 Regulator
r 2 Rank of the group of rational points
S 1.0000000000037 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 70720c1 17680m1 Quadratic twists by: -4 8


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