Cremona's table of elliptic curves

Curve 42560bt1

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560bt1

Field Data Notes
Atkin-Lehner 2+ 5- 7- 19- Signs for the Atkin-Lehner involutions
Class 42560bt 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 2.8906796827139 L(r)(E,1)/r!
Ω 2.890679682721 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 42560y1 21280s1 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