Cremona's table of elliptic curves

Curve 87984s1

87984 = 24 · 32 · 13 · 47



Data for elliptic curve 87984s1

Field Data Notes
Atkin-Lehner 2- 3+ 13- 47+ Signs for the Atkin-Lehner involutions
Class 87984s Isogeny class
Conductor 87984 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 221184 Modular degree for the optimal curve
Δ 1940456853504 = 212 · 33 · 132 · 473 Discriminant
Eigenvalues 2- 3+ -3  1 -3 13- -6  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-28224,-1823824] [a1,a2,a3,a4,a6]
Generators [-95:9:1] Generators of the group modulo torsion
j 22483074023424/17546087 j-invariant
L 4.4070342129326 L(r)(E,1)/r!
Ω 0.36835388918239 Real period
R 2.9910327739243 Regulator
r 1 Rank of the group of rational points
S 0.99999999844442 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 5499c1 87984x2 Quadratic twists by: -4 -3


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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