Cremona's table of elliptic curves

Curve 438c1

438 = 2 · 3 · 73



Data for elliptic curve 438c1

Field Data Notes
Atkin-Lehner 2+ 3+ 73+ Signs for the Atkin-Lehner involutions
Class 438c Isogeny class
Conductor 438 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 32 Modular degree for the optimal curve
Δ 10512 = 24 · 32 · 73 Discriminant
Eigenvalues 2+ 3+  0 -2  4 -6  0 -4 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-5,-3] [a1,a2,a3,a4,a6]
Generators [-2:3:1] Generators of the group modulo torsion
j 18609625/10512 j-invariant
L 1.2587504610108 L(r)(E,1)/r!
Ω 3.3565130070238 Real period
R 0.37501730467803 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 3504t1 14016r1 1314d1 10950bd1 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