Cremona's table of elliptic curves

Curve 812a1

812 = 22 · 7 · 29



Data for elliptic curve 812a1

Field Data Notes
Atkin-Lehner 2- 7+ 29+ Signs for the Atkin-Lehner involutions
Class 812a Isogeny class
Conductor 812 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 144 Modular degree for the optimal curve
Δ -2546432 = -1 · 28 · 73 · 29 Discriminant
Eigenvalues 2-  3  0 7+  2  0  2  1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-40,-124] [a1,a2,a3,a4,a6]
j -27648000/9947 j-invariant
L 2.7971231723098 L(r)(E,1)/r!
Ω 0.93237439076992 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 3248m1 12992i1 7308d1 20300i1 Quadratic twists by: -4 8 -3 5


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