Cremona's table of elliptic curves

Curve 28665bs1

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665bs1

Field Data Notes
Atkin-Lehner 3- 5- 7- 13+ Signs for the Atkin-Lehner involutions
Class 28665bs Isogeny class
Conductor 28665 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 78848 Modular degree for the optimal curve
Δ 74574071040105 = 37 · 5 · 79 · 132 Discriminant
Eigenvalues -1 3- 5- 7-  0 13+  4  2 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-14342,-510604] [a1,a2,a3,a4,a6]
j 11089567/2535 j-invariant
L 0.88685709344094 L(r)(E,1)/r!
Ω 0.44342854672022 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 9555p1 28665bf1 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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