Cremona's table of elliptic curves

Curve 15925b1

15925 = 52 · 72 · 13



Data for elliptic curve 15925b1

Field Data Notes
Atkin-Lehner 5+ 7+ 13+ Signs for the Atkin-Lehner involutions
Class 15925b Isogeny class
Conductor 15925 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 40320 Modular degree for the optimal curve
Δ -29274380078125 = -1 · 58 · 78 · 13 Discriminant
Eigenvalues  1 -2 5+ 7+ -5 13+ -5 -1 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-1251,-260977] [a1,a2,a3,a4,a6]
Generators [71:61:1] Generators of the group modulo torsion
j -2401/325 j-invariant
L 2.805435749767 L(r)(E,1)/r!
Ω 0.29437127615299 Real period
R 4.7651316161515 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 3185f1 15925p1 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
Back to Tables and computations