Cremona's table of elliptic curves

Curve 28224eu1

28224 = 26 · 32 · 72



Data for elliptic curve 28224eu1

Field Data Notes
Atkin-Lehner 2- 3- 7+ Signs for the Atkin-Lehner involutions
Class 28224eu Isogeny class
Conductor 28224 Conductor
∏ cp 24 Product of Tamagawa factors cp
deg 193536 Modular degree for the optimal curve
Δ -3718138366623744 = -1 · 215 · 39 · 78 Discriminant
Eigenvalues 2- 3-  3 7+  1  4 -4  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-127596,17786608] [a1,a2,a3,a4,a6]
Generators [392:5292:1] Generators of the group modulo torsion
j -1668296/27 j-invariant
L 7.3180120747839 L(r)(E,1)/r!
Ω 0.44355305200615 Real period
R 0.68744238914274 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 28224ev1 14112bs1 9408cn1 28224gf1 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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