Cremona's table of elliptic curves

Curve 1245b2

1245 = 3 · 5 · 83



Data for elliptic curve 1245b2

Field Data Notes
Atkin-Lehner 3+ 5- 83+ Signs for the Atkin-Lehner involutions
Class 1245b Isogeny class
Conductor 1245 Conductor
∏ cp 20 Product of Tamagawa factors cp
Δ -9195198001003125 = -1 · 32 · 55 · 836 Discriminant
Eigenvalues -1 3+ 5-  0  2  4 -4 -2 Hecke eigenvalues for primes up to 20
Equation [1,1,1,-19070,-4731568] [a1,a2,a3,a4,a6]
j -766967947453190881/9195198001003125 j-invariant
L 0.87471686564835 L(r)(E,1)/r!
Ω 0.17494337312967 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 19920s2 79680t2 3735c2 6225g2 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