Cremona's table of elliptic curves

Curve 70720o2

70720 = 26 · 5 · 13 · 17



Data for elliptic curve 70720o2

Field Data Notes
Atkin-Lehner 2+ 5- 13+ 17+ Signs for the Atkin-Lehner involutions
Class 70720o Isogeny class
Conductor 70720 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 307773440000 = 217 · 54 · 13 · 172 Discriminant
Eigenvalues 2+ -2 5-  2 -4 13+ 17+ -4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-2785,-50817] [a1,a2,a3,a4,a6]
Generators [-29:80:1] [-23:40:1] Generators of the group modulo torsion
j 18232461938/2348125 j-invariant
L 8.356577831112 L(r)(E,1)/r!
Ω 0.66274903438244 Real period
R 1.576120333194 Regulator
r 2 Rank of the group of rational points
S 0.99999999999439 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 70720bi2 8840a2 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