Cremona's table of elliptic curves

Curve 28224cn1

28224 = 26 · 32 · 72



Data for elliptic curve 28224cn1

Field Data Notes
Atkin-Lehner 2+ 3- 7- Signs for the Atkin-Lehner involutions
Class 28224cn Isogeny class
Conductor 28224 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 18432 Modular degree for the optimal curve
Δ -15801827328 = -1 · 214 · 39 · 72 Discriminant
Eigenvalues 2+ 3- -2 7- -6 -3  4 -5 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-336,-6496] [a1,a2,a3,a4,a6]
Generators [25:27:1] Generators of the group modulo torsion
j -7168/27 j-invariant
L 3.5411977453362 L(r)(E,1)/r!
Ω 0.51018986939319 Real period
R 1.7352352319089 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 28224ge1 3528z1 9408l1 28224bb1 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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