Cremona's table of elliptic curves

Curve 69440ca1

69440 = 26 · 5 · 7 · 31



Data for elliptic curve 69440ca1

Field Data Notes
Atkin-Lehner 2+ 5- 7- 31- Signs for the Atkin-Lehner involutions
Class 69440ca Isogeny class
Conductor 69440 Conductor
∏ cp 48 Product of Tamagawa factors cp
deg 663552 Modular degree for the optimal curve
Δ -39185107281510400 = -1 · 230 · 52 · 72 · 313 Discriminant
Eigenvalues 2+  2 5- 7- -6 -2 -6  4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-8065,-9525375] [a1,a2,a3,a4,a6]
j -221335335649/149479321600 j-invariant
L 1.9649044013141 L(r)(E,1)/r!
Ω 0.16374203347285 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 69440dg1 2170n1 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