Cremona's table of elliptic curves

Curve 31248w1

31248 = 24 · 32 · 7 · 31



Data for elliptic curve 31248w1

Field Data Notes
Atkin-Lehner 2+ 3- 7- 31- Signs for the Atkin-Lehner involutions
Class 31248w Isogeny class
Conductor 31248 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 61440 Modular degree for the optimal curve
Δ 21521983004928 = 28 · 318 · 7 · 31 Discriminant
Eigenvalues 2+ 3-  2 7-  4 -2 -2  8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-9399,-270538] [a1,a2,a3,a4,a6]
j 492040858192/115322697 j-invariant
L 3.9446702763069 L(r)(E,1)/r!
Ω 0.49308378453856 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 15624g1 124992gx1 10416f1 Quadratic twists by: -4 8 -3


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