Cremona's table of elliptic curves

Curve 42560b2

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560b2

Field Data Notes
Atkin-Lehner 2+ 5+ 7+ 19+ Signs for the Atkin-Lehner involutions
Class 42560b Isogeny class
Conductor 42560 Conductor
∏ cp 8 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]
Generators [37:220:1] Generators of the group modulo torsion
j 3286064/1140475 j-invariant
L 2.7768355029239 L(r)(E,1)/r!
Ω 0.57398809511043 Real period
R 2.4188964253619 Regulator
r 1 Rank of the group of rational points
S 0.99999999999934 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42560cr2 5320g2 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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