Cremona's table of elliptic curves

Curve 15925r1

15925 = 52 · 72 · 13



Data for elliptic curve 15925r1

Field Data Notes
Atkin-Lehner 5+ 7- 13- Signs for the Atkin-Lehner involutions
Class 15925r Isogeny class
Conductor 15925 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 9216 Modular degree for the optimal curve
Δ 1873560325 = 52 · 78 · 13 Discriminant
Eigenvalues -2 -1 5+ 7-  4 13-  2 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,1,-408,-2262] [a1,a2,a3,a4,a6]
Generators [-9:24:1] Generators of the group modulo torsion
j 2560000/637 j-invariant
L 1.9765815781312 L(r)(E,1)/r!
Ω 1.0814145233918 Real period
R 0.91388710590445 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 15925w1 2275b1 Quadratic twists by: 5 -7


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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