Cremona's table of elliptic curves

Curve 42560y1

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560y1

Field Data Notes
Atkin-Lehner 2+ 5- 7+ 19+ Signs for the Atkin-Lehner involutions
Class 42560y Isogeny class
Conductor 42560 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 2816 Modular degree for the optimal curve
Δ -42560 = -1 · 26 · 5 · 7 · 19 Discriminant
Eigenvalues 2+  1 5- 7+ -2  4 -3 19+ Hecke eigenvalues for primes up to 20
Equation [0,1,0,0,-10] [a1,a2,a3,a4,a6]
j -64/665 j-invariant
L 1.6444228430415 L(r)(E,1)/r!
Ω 1.6444228431128 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 42560bt1 21280a1 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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