Cremona's table of elliptic curves

Curve 28665f2

28665 = 32 · 5 · 72 · 13



Data for elliptic curve 28665f2

Field Data Notes
Atkin-Lehner 3+ 5+ 7- 13+ Signs for the Atkin-Lehner involutions
Class 28665f Isogeny class
Conductor 28665 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 1.4405190576943E+19 Discriminant
Eigenvalues -1 3+ 5+ 7- -6 13+  0  0 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-694658,127903402] [a1,a2,a3,a4,a6]
j 16008724040427/6220703125 j-invariant
L 0.80983556991087 L(r)(E,1)/r!
Ω 0.20245889247765 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 28665o2 4095e2 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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