Cremona's table of elliptic curves

Curve 81312a2

81312 = 25 · 3 · 7 · 112



Data for elliptic curve 81312a2

Field Data Notes
Atkin-Lehner 2+ 3+ 7+ 11+ Signs for the Atkin-Lehner involutions
Class 81312a Isogeny class
Conductor 81312 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 2113118322708653568 = 29 · 36 · 74 · 119 Discriminant
Eigenvalues 2+ 3+  0 7+ 11+  2  6 -6 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-601168,165414856] [a1,a2,a3,a4,a6]
Generators [-1213686:-97843249:5832] Generators of the group modulo torsion
j 19902511000/1750329 j-invariant
L 5.4203714802187 L(r)(E,1)/r!
Ω 0.25436160500195 Real period
R 10.654853902906 Regulator
r 1 Rank of the group of rational points
S 1.0000000001124 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 81312bs2 81312bc2 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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