Cremona's table of elliptic curves

Curve 28224cd2

28224 = 26 · 32 · 72



Data for elliptic curve 28224cd2

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224cd Isogeny class
Conductor 28224 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ 619689727770624 = 214 · 38 · 78 Discriminant
Eigenvalues 2+ 3- -2 7-  0 -2  6 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-21756,301840] [a1,a2,a3,a4,a6]
Generators [-10:720:1] Generators of the group modulo torsion
j 810448/441 j-invariant
L 4.6132662880026 L(r)(E,1)/r!
Ω 0.44786929087014 Real period
R 2.5751186685739 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 28224ga2 3528x2 9408bd2 4032f2 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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