Cremona's table of elliptic curves

Curve 69440w1

69440 = 26 · 5 · 7 · 31



Data for elliptic curve 69440w1

Field Data Notes
Atkin-Lehner 2+ 5+ 7- 31- Signs for the Atkin-Lehner involutions
Class 69440w Isogeny class
Conductor 69440 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 73728 Modular degree for the optimal curve
Δ -637114777600 = -1 · 224 · 52 · 72 · 31 Discriminant
Eigenvalues 2+ -2 5+ 7-  0 -2  4 -4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-161,-38465] [a1,a2,a3,a4,a6]
Generators [42:175:1] Generators of the group modulo torsion
j -1771561/2430400 j-invariant
L 3.987895337941 L(r)(E,1)/r!
Ω 0.41204668216585 Real period
R 2.4195652521365 Regulator
r 1 Rank of the group of rational points
S 1.0000000000588 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 69440cg1 2170g1 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