Cremona's table of elliptic curves

Curve 28224fr1

28224 = 26 · 32 · 72



Data for elliptic curve 28224fr1

Field Data Notes
Atkin-Lehner 2- 3- 7- Signs for the Atkin-Lehner involutions
Class 28224fr Isogeny class
Conductor 28224 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 322560 Modular degree for the optimal curve
Δ -819849509840535552 = -1 · 214 · 311 · 710 Discriminant
Eigenvalues 2- 3-  2 7- -2 -3  8  1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,230496,9143008] [a1,a2,a3,a4,a6]
j 401408/243 j-invariant
L 3.1215903102734 L(r)(E,1)/r!
Ω 0.17342168390409 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 9 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 28224bu1 7056bu1 9408cx1 28224et1 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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