Cremona's table of elliptic curves

Curve 42560c1

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560c1

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 19+ Signs for the Atkin-Lehner involutions
Class 42560c 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 [9:24:1] Generators of the group modulo torsion
j -8/665 j-invariant
L 3.7645165691107 L(r)(E,1)/r!
Ω 0.98142385775456 Real period
R 1.9178851927067 Regulator
r 1 Rank of the group of rational points
S 0.99999999999936 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 42560w1 21280w1 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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