Cremona's table of elliptic curves

Curve 28224cj2

28224 = 26 · 32 · 72



Data for elliptic curve 28224cj2

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224cj Isogeny class
Conductor 28224 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 963961798754304 = 215 · 36 · 79 Discriminant
Eigenvalues 2+ 3- -2 7-  4  6 -4  6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-127596,17479280] [a1,a2,a3,a4,a6]
Generators [317:2981:1] Generators of the group modulo torsion
j 238328 j-invariant
L 5.5044895008232 L(r)(E,1)/r!
Ω 0.49777159030474 Real period
R 5.5291318428332 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 28224cm2 14112cb2 3136h2 28224ca2 Quadratic twists by: -4 8 -3 -7


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