Cremona's table of elliptic curves

Curve 28764b1

28764 = 22 · 32 · 17 · 47



Data for elliptic curve 28764b1

Field Data Notes
Atkin-Lehner 2- 3- 17+ 47- Signs for the Atkin-Lehner involutions
Class 28764b Isogeny class
Conductor 28764 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 15360 Modular degree for the optimal curve
Δ 7604741376 = 28 · 37 · 172 · 47 Discriminant
Eigenvalues 2- 3- -1 -3 -5 -2 17+ -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-768,-7036] [a1,a2,a3,a4,a6]
Generators [-20:18:1] [-16:34:1] Generators of the group modulo torsion
j 268435456/40749 j-invariant
L 7.1017361042791 L(r)(E,1)/r!
Ω 0.91613922644409 Real period
R 0.32299203272865 Regulator
r 2 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 115056o1 9588b1 Quadratic twists by: -4 -3


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