Cremona's table of elliptic curves

Curve 28665bc1

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665bc1

Field Data Notes
Atkin-Lehner 3- 5+ 7- 13- Signs for the Atkin-Lehner involutions
Class 28665bc Isogeny class
Conductor 28665 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 13824 Modular degree for the optimal curve
Δ 5574797865 = 36 · 5 · 76 · 13 Discriminant
Eigenvalues  1 3- 5+ 7- -2 13-  2  6 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-450,895] [a1,a2,a3,a4,a6]
j 117649/65 j-invariant
L 2.3492698555941 L(r)(E,1)/r!
Ω 1.1746349277977 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 3185i1 585h1 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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