Cremona's table of elliptic curves

Curve 1287a2

1287 = 32 · 11 · 13



Data for elliptic curve 1287a2

Field Data Notes
Atkin-Lehner 3+ 11+ 13+ Signs for the Atkin-Lehner involutions
Class 1287a Isogeny class
Conductor 1287 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 15769185003 = 33 · 112 · 136 Discriminant
Eigenvalues -1 3+  2 -2 11+ 13+ -4  6 Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-1799,-28284] [a1,a2,a3,a4,a6]
Generators [-22:27:1] Generators of the group modulo torsion
j 23835655373139/584043889 j-invariant
L 1.8610839759947 L(r)(E,1)/r!
Ω 0.73419133737676 Real period
R 1.2674379832948 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 20592v2 82368n2 1287b2 32175b2 Quadratic twists by: -4 8 -3 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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