Cremona's table of elliptic curves

Curve 28224ch1

28224 = 26 · 32 · 72



Data for elliptic curve 28224ch1

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224ch Isogeny class
Conductor 28224 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 12288 Modular degree for the optimal curve
Δ 11666192832 = 26 · 312 · 73 Discriminant
Eigenvalues 2+ 3- -2 7- -2  0  2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-651,-3724] [a1,a2,a3,a4,a6]
Generators [-20:36:1] Generators of the group modulo torsion
j 1906624/729 j-invariant
L 4.331125677661 L(r)(E,1)/r!
Ω 0.97613884297539 Real period
R 2.2184987867398 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 28224cf1 14112bz2 9408j1 28224bw1 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
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