Cremona's table of elliptic curves

Curve 28665bg3

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665bg3

Field Data Notes
Atkin-Lehner 3- 5+ 7- 13- Signs for the Atkin-Lehner involutions
Class 28665bg Isogeny class
Conductor 28665 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ -562506130176243435 = -1 · 314 · 5 · 77 · 134 Discriminant
Eigenvalues -1 3- 5+ 7- -4 13-  6 -8 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-43448,-36241698] [a1,a2,a3,a4,a6]
j -105756712489/6558605235 j-invariant
L 1.0251709541425 L(r)(E,1)/r!
Ω 0.12814636926777 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 9555k4 4095k4 Quadratic twists by: -3 -7


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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