Cremona's table of elliptic curves

Curve 42560da1

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560da1

Field Data Notes
Atkin-Lehner 2- 5- 7+ 19- Signs for the Atkin-Lehner involutions
Class 42560da Isogeny class
Conductor 42560 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 55296 Modular degree for the optimal curve
Δ -136671395840 = -1 · 222 · 5 · 73 · 19 Discriminant
Eigenvalues 2-  1 5- 7+  0  4  3 19- Hecke eigenvalues for primes up to 20
Equation [0,1,0,-21985,-1262177] [a1,a2,a3,a4,a6]
j -4483146738169/521360 j-invariant
L 3.5286271418148 L(r)(E,1)/r!
Ω 0.19603484121639 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 9 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 42560bl1 10640j1 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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