Cremona's table of elliptic curves

Curve 320b3

320 = 26 · 5



Data for elliptic curve 320b3

Field Data Notes
Atkin-Lehner 2+ 5+ Signs for the Atkin-Lehner involutions
Class 320b Isogeny class
Conductor 320 Conductor
∏ cp 2 Product of Tamagawa factors cp
Δ 327680 = 216 · 5 Discriminant
Eigenvalues 2+  0 5+ -4 -4  2  2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-428,-3408] [a1,a2,a3,a4,a6]
Generators [24:12:1] Generators of the group modulo torsion
j 132304644/5 j-invariant
L 1.5161085153166 L(r)(E,1)/r!
Ω 1.0496381260349 Real period
R 2.8888213522577 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 320a3 40a2 2880t3 1600a3 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