Cremona's table of elliptic curves

Curve 31248cc1

31248 = 24 · 32 · 7 · 31



Data for elliptic curve 31248cc1

Field Data Notes
Atkin-Lehner 2- 3- 7- 31+ Signs for the Atkin-Lehner involutions
Class 31248cc Isogeny class
Conductor 31248 Conductor
∏ cp 56 Product of Tamagawa factors cp
deg 64512 Modular degree for the optimal curve
Δ -14293438661376 = -1 · 28 · 37 · 77 · 31 Discriminant
Eigenvalues 2- 3- -3 7-  0 -5  0 -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,816,181676] [a1,a2,a3,a4,a6]
Generators [-50:126:1] [62:686:1] Generators of the group modulo torsion
j 321978368/76589499 j-invariant
L 7.3789581016745 L(r)(E,1)/r!
Ω 0.54429000623089 Real period
R 0.24208989224504 Regulator
r 2 Rank of the group of rational points
S 0.99999999999989 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 7812h1 124992gf1 10416bb1 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
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