Cremona's table of elliptic curves

Curve 28665j1

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665j1

Field Data Notes
Atkin-Lehner 3+ 5- 7+ 13- Signs for the Atkin-Lehner involutions
Class 28665j Isogeny class
Conductor 28665 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 56448 Modular degree for the optimal curve
Δ -7375457575395 = -1 · 39 · 5 · 78 · 13 Discriminant
Eigenvalues -1 3+ 5- 7+  3 13- -3 -6 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-4052,165106] [a1,a2,a3,a4,a6]
Generators [34:239:1] Generators of the group modulo torsion
j -64827/65 j-invariant
L 3.5971759591321 L(r)(E,1)/r!
Ω 0.67695291191784 Real period
R 2.6568878690109 Regulator
r 1 Rank of the group of rational points
S 0.99999999999999 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 28665a1 28665e1 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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