Cremona's table of elliptic curves

Curve 42560w1

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560w1

Field Data Notes
Atkin-Lehner 2+ 5+ 7- 19- Signs for the Atkin-Lehner involutions
Class 42560w Isogeny class
Conductor 42560 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 9728 Modular degree for the optimal curve
Δ -21790720 = -1 · 215 · 5 · 7 · 19 Discriminant
Eigenvalues 2+  2 5+ 7- -5  1  3 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-1,225] [a1,a2,a3,a4,a6]
Generators [0:15:1] Generators of the group modulo torsion
j -8/665 j-invariant
L 7.76665256535 L(r)(E,1)/r!
Ω 1.7124982412206 Real period
R 2.267638114425 Regulator
r 1 Rank of the group of rational points
S 0.99999999999931 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 42560c1 21280l1 Quadratic twists by: -4 8


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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