Cremona's table of elliptic curves

Curve 2240c2

2240 = 26 · 5 · 7



Data for elliptic curve 2240c2

Field Data Notes
Atkin-Lehner 2+ 5+ 7- Signs for the Atkin-Lehner involutions
Class 2240c Isogeny class
Conductor 2240 Conductor
∏ cp 3 Product of Tamagawa factors cp
Δ -28098560 = -1 · 214 · 5 · 73 Discriminant
Eigenvalues 2+ -1 5+ 7- -3  1 -3 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-3221,-69299] [a1,a2,a3,a4,a6]
j -225637236736/1715 j-invariant
L 0.95056473647073 L(r)(E,1)/r!
Ω 0.31685491215691 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 2240p2 140a2 20160cj2 11200d2 Quadratic twists by: -4 8 -3 5


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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