Cremona's table of elliptic curves

Curve 42560cl1

42560 = 26 · 5 · 7 · 19



Data for elliptic curve 42560cl1

Field Data Notes
Atkin-Lehner 2- 5+ 7- 19+ Signs for the Atkin-Lehner involutions
Class 42560cl Isogeny class
Conductor 42560 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 9216 Modular degree for the optimal curve
Δ -23833600 = -1 · 210 · 52 · 72 · 19 Discriminant
Eigenvalues 2- -2 5+ 7-  0  2  2 19+ Hecke eigenvalues for primes up to 20
Equation [0,1,0,-21,-245] [a1,a2,a3,a4,a6]
Generators [14:49:1] Generators of the group modulo torsion
j -1048576/23275 j-invariant
L 3.6017024223104 L(r)(E,1)/r!
Ω 0.92150123856795 Real period
R 1.9542580473955 Regulator
r 1 Rank of the group of rational points
S 0.99999999999935 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42560i1 10640bd1 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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