Cremona's table of elliptic curves

Curve 90405bc1

90405 = 32 · 5 · 72 · 41



Data for elliptic curve 90405bc1

Field Data Notes
Atkin-Lehner 3- 5+ 7- 41- Signs for the Atkin-Lehner involutions
Class 90405bc Isogeny class
Conductor 90405 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 26112 Modular degree for the optimal curve
Δ 7322805 = 36 · 5 · 72 · 41 Discriminant
Eigenvalues -2 3- 5+ 7- -2 -1 -5 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,1,-63,-142] [a1,a2,a3,a4,a6]
Generators [-6:4:1] [-3:4:1] Generators of the group modulo torsion
j 774144/205 j-invariant
L 5.1434302023721 L(r)(E,1)/r!
Ω 1.728002591865 Real period
R 0.7441294108707 Regulator
r 2 Rank of the group of rational points
S 0.99999999994206 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 10045k1 90405bf1 Quadratic twists by: -3 -7


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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