Cremona's table of elliptic curves

Curve 42560cr2

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560cr2

Field Data Notes
Atkin-Lehner 2- 5+ 7- 19- Signs for the Atkin-Lehner involutions
Class 42560cr Isogeny class
Conductor 42560 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ -18685542400 = -1 · 214 · 52 · 74 · 19 Discriminant
Eigenvalues 2-  2 5+ 7-  4  4 -2 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,79,6545] [a1,a2,a3,a4,a6]
j 3286064/1140475 j-invariant
L 3.7980727040357 L(r)(E,1)/r!
Ω 0.94951817600059 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 42560b2 10640g2 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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