Cremona's table of elliptic curves

Curve 28320k2

28320 = 25 · 3 · 5 · 59



Data for elliptic curve 28320k2

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 59- Signs for the Atkin-Lehner involutions
Class 28320k Isogeny class
Conductor 28320 Conductor
∏ cp 20 Product of Tamagawa factors cp
Δ -13166097898176000 = -1 · 29 · 320 · 53 · 59 Discriminant
Eigenvalues 2+ 3- 5+  0 -4 -2  6  0 Hecke eigenvalues for primes up to 20
Equation [0,1,0,58984,295020] [a1,a2,a3,a4,a6]
Generators [7898:255717:8] Generators of the group modulo torsion
j 44325031294506808/25715034957375 j-invariant
L 5.8519261469934 L(r)(E,1)/r!
Ω 0.23946866627212 Real period
R 4.8874253472005 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 28320a2 56640ca3 84960bi2 Quadratic twists by: -4 8 -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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