Cremona's table of elliptic curves

Curve 28304a2

28304 = 24 · 29 · 61



Data for elliptic curve 28304a2

Field Data Notes
Atkin-Lehner 2- 29+ 61+ Signs for the Atkin-Lehner involutions
Class 28304a Isogeny class
Conductor 28304 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 51271450624 = 214 · 292 · 612 Discriminant
Eigenvalues 2-  0 -2  4 -4 -2  6 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-931,930] [a1,a2,a3,a4,a6]
j 21787771257/12517444 j-invariant
L 0.96052651447992 L(r)(E,1)/r!
Ω 0.96052651448058 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 3538a2 113216l2 Quadratic twists by: -4 8


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