Cremona's table of elliptic curves

Curve 42560i2

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560i2

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 19- Signs for the Atkin-Lehner involutions
Class 42560i Isogeny class
Conductor 42560 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 207011840 = 214 · 5 · 7 · 192 Discriminant
Eigenvalues 2+  2 5+ 7+  0  2  2 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-721,7665] [a1,a2,a3,a4,a6]
j 2533446736/12635 j-invariant
L 3.5799767881386 L(r)(E,1)/r!
Ω 1.7899883941314 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42560cl2 2660f2 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
Back to Tables and computations