Cremona's table of elliptic curves

Curve 28975c2

28975 = 52 · 19 · 61



Data for elliptic curve 28975c2

Field Data Notes
Atkin-Lehner 5+ 19+ 61- Signs for the Atkin-Lehner involutions
Class 28975c Isogeny class
Conductor 28975 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 524719140625 = 58 · 192 · 612 Discriminant
Eigenvalues -1  0 5+  0  0 -2 -6 19+ Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-2730,-41728] [a1,a2,a3,a4,a6]
Generators [-22:96:1] [139:1430:1] Generators of the group modulo torsion
j 143960212521/33582025 j-invariant
L 5.2277305670221 L(r)(E,1)/r!
Ω 0.67161629279987 Real period
R 7.7838054601522 Regulator
r 2 Rank of the group of rational points
S 0.99999999999986 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 5795c2 Quadratic twists by: 5


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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