Cremona's table of elliptic curves

Curve 235a1

235 = 5 · 47



Data for elliptic curve 235a1

Field Data Notes
Atkin-Lehner 5- 47- Signs for the Atkin-Lehner involutions
Class 235a Isogeny class
Conductor 235 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 12 Modular degree for the optimal curve
Δ 5875 = 53 · 47 Discriminant
Eigenvalues -1 -1 5-  1 -3 -3 -6 -7 Hecke eigenvalues for primes up to 20
Equation [1,1,1,-5,0] [a1,a2,a3,a4,a6]
Generators [-2:3:1] Generators of the group modulo torsion
j 13997521/5875 j-invariant
L 0.96466220163723 L(r)(E,1)/r!
Ω 3.8526221203919 Real period
R 0.083463692302037 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 3760m1 15040d1 2115c1 1175b1 Quadratic twists by: -4 8 -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