Cremona's table of elliptic curves

Curve 81312h1

81312 = 25 · 3 · 7 · 112



Data for elliptic curve 81312h1

Field Data Notes
Atkin-Lehner 2+ 3+ 7+ 11- Signs for the Atkin-Lehner involutions
Class 81312h Isogeny class
Conductor 81312 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 811008 Modular degree for the optimal curve
Δ -31363537257271296 = -1 · 212 · 36 · 72 · 118 Discriminant
Eigenvalues 2+ 3+ -3 7+ 11-  3  3 -6 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-40817,9106209] [a1,a2,a3,a4,a6]
Generators [-256:1647:1] [-161:3388:1] Generators of the group modulo torsion
j -8565568/35721 j-invariant
L 7.8649553276868 L(r)(E,1)/r!
Ω 0.32294855234732 Real period
R 1.0147327479727 Regulator
r 2 Rank of the group of rational points
S 1.0000000000297 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 81312z1 81312bj1 Quadratic twists by: -4 -11


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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