Cremona's table of elliptic curves

Curve 91656c2

91656 = 23 · 32 · 19 · 67



Data for elliptic curve 91656c2

Field Data Notes
Atkin-Lehner 2+ 3+ 19- 67+ Signs for the Atkin-Lehner involutions
Class 91656c Isogeny class
Conductor 91656 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 4716251136 = 211 · 33 · 19 · 672 Discriminant
Eigenvalues 2+ 3+  2 -4  4  6  0 19- Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2499,-47970] [a1,a2,a3,a4,a6]
j 31212514998/85291 j-invariant
L 2.7014024807529 L(r)(E,1)/r!
Ω 0.67535064511816 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 4 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 91656i2 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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