Cremona's table of elliptic curves

Curve 7685b1

7685 = 5 · 29 · 53



Data for elliptic curve 7685b1

Field Data Notes
Atkin-Lehner 5+ 29+ 53- Signs for the Atkin-Lehner involutions
Class 7685b Isogeny class
Conductor 7685 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 2544 Modular degree for the optimal curve
Δ -21587165 = -1 · 5 · 29 · 533 Discriminant
Eigenvalues -1 -3 5+  1 -3 -4 -2 -2 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,42,186] [a1,a2,a3,a4,a6]
Generators [-2:10:1] [13:46:1] Generators of the group modulo torsion
j 8377795791/21587165 j-invariant
L 2.3073732656385 L(r)(E,1)/r!
Ω 1.5042775845946 Real period
R 0.51129155267339 Regulator
r 2 Rank of the group of rational points
S 1.0000000000004 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 122960j1 69165p1 38425a1 Quadratic twists by: -4 -3 5


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