Cremona's table of elliptic curves

Curve 81168d1

81168 = 24 · 3 · 19 · 89



Data for elliptic curve 81168d1

Field Data Notes
Atkin-Lehner 2+ 3+ 19+ 89- Signs for the Atkin-Lehner involutions
Class 81168d Isogeny class
Conductor 81168 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 126720 Modular degree for the optimal curve
Δ -5194752 = -1 · 210 · 3 · 19 · 89 Discriminant
Eigenvalues 2+ 3+  0  5  5  7 -2 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-10768,-426512] [a1,a2,a3,a4,a6]
j -134855675090500/5073 j-invariant
L 4.2179840815134 L(r)(E,1)/r!
Ω 0.23433245117166 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 9 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 40584be1 Quadratic twists by: -4


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