Cremona's table of elliptic curves

Curve 2312a1

2312 = 23 · 172



Data for elliptic curve 2312a1

Field Data Notes
Atkin-Lehner 2+ 17+ Signs for the Atkin-Lehner involutions
Class 2312a Isogeny class
Conductor 2312 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 256 Modular degree for the optimal curve
Δ 1257728 = 28 · 173 Discriminant
Eigenvalues 2+  2  0 -2 -2 -2 17+ -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-28,-12] [a1,a2,a3,a4,a6]
Generators [-3:6:1] Generators of the group modulo torsion
j 2000 j-invariant
L 3.931219239098 L(r)(E,1)/r!
Ω 2.1796814557728 Real period
R 1.8035751181377 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 4624c1 18496f1 20808bf1 57800w1 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