Cremona's table of elliptic curves

Curve 28224ci1

28224 = 26 · 32 · 72



Data for elliptic curve 28224ci1

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224ci Isogeny class
Conductor 28224 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 18432 Modular degree for the optimal curve
Δ 16467095232 = 26 · 37 · 76 Discriminant
Eigenvalues 2+ 3- -2 7-  4 -2 -6 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1911,-31556] [a1,a2,a3,a4,a6]
Generators [-24:22:1] Generators of the group modulo torsion
j 140608/3 j-invariant
L 4.3644969502043 L(r)(E,1)/r!
Ω 0.72301617278689 Real period
R 3.0182567931926 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 28224cl1 14112ca2 9408bg1 576c1 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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