Cremona's table of elliptic curves

Curve 91656b1

91656 = 23 · 32 · 19 · 67



Data for elliptic curve 91656b1

Field Data Notes
Atkin-Lehner 2+ 3+ 19+ 67- Signs for the Atkin-Lehner involutions
Class 91656b Isogeny class
Conductor 91656 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 17408 Modular degree for the optimal curve
Δ -8798976 = -1 · 28 · 33 · 19 · 67 Discriminant
Eigenvalues 2+ 3+ -3 -2 -3 -5 -4 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,36,116] [a1,a2,a3,a4,a6]
Generators [-2:6:1] [2:14:1] Generators of the group modulo torsion
j 746496/1273 j-invariant
L 7.9158782811207 L(r)(E,1)/r!
Ω 1.5859439779805 Real period
R 0.62390904022969 Regulator
r 2 Rank of the group of rational points
S 0.99999999997998 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 91656h1 Quadratic twists by: -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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