Cremona's table of elliptic curves

Curve 42560cd4

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560cd4

Field Data Notes
Atkin-Lehner 2- 5+ 7+ 19- Signs for the Atkin-Lehner involutions
Class 42560cd Isogeny class
Conductor 42560 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 897279746048000 = 216 · 53 · 78 · 19 Discriminant
Eigenvalues 2-  0 5+ 7+ -4 -2  2 19- Hecke eigenvalues for primes up to 20
Equation [0,0,0,-205868,35923792] [a1,a2,a3,a4,a6]
Generators [4624:312972:1] Generators of the group modulo torsion
j 14723474810172804/13691402375 j-invariant
L 3.8328376830965 L(r)(E,1)/r!
Ω 0.49541663494184 Real period
R 7.7365946412723 Regulator
r 1 Rank of the group of rational points
S 1.0000000000022 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42560m4 10640d3 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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