Cremona's table of elliptic curves

Curve 28224dy2

28224 = 26 · 32 · 72



Data for elliptic curve 28224dy2

Field Data Notes
Atkin-Lehner 2- 3+ 7- Signs for the Atkin-Lehner involutions
Class 28224dy Isogeny class
Conductor 28224 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -2550163488768 = -1 · 214 · 33 · 78 Discriminant
Eigenvalues 2- 3+ -2 7- -6 -6 -2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,1764,71344] [a1,a2,a3,a4,a6]
Generators [21:343:1] Generators of the group modulo torsion
j 11664/49 j-invariant
L 3.2204513440126 L(r)(E,1)/r!
Ω 0.58035657865234 Real period
R 1.3872726968525 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 28224q2 7056h2 28224du2 4032t2 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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