Cremona's table of elliptic curves

Curve 81144w2

81144 = 23 · 32 · 72 · 23



Data for elliptic curve 81144w2

Field Data Notes
Atkin-Lehner 2+ 3- 7- 23- Signs for the Atkin-Lehner involutions
Class 81144w Isogeny class
Conductor 81144 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ 418132482130944 = 210 · 38 · 76 · 232 Discriminant
Eigenvalues 2+ 3- -2 7-  0  2 -2  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-81291,8866550] [a1,a2,a3,a4,a6]
j 676449508/4761 j-invariant
L 2.1354898855714 L(r)(E,1)/r!
Ω 0.53387247050515 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 27048o2 1656c2 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
Back to Tables and computations