Cremona's table of elliptic curves

Curve 87840bc2

87840 = 25 · 32 · 5 · 61



Data for elliptic curve 87840bc2

Field Data Notes
Atkin-Lehner 2- 3+ 5- 61+ Signs for the Atkin-Lehner involutions
Class 87840bc Isogeny class
Conductor 87840 Conductor
∏ cp 12 Product of Tamagawa factors cp
Δ 13176000000 = 29 · 33 · 56 · 61 Discriminant
Eigenvalues 2- 3+ 5-  4  0 -4 -2  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1827,29546] [a1,a2,a3,a4,a6]
Generators [-38:210:1] Generators of the group modulo torsion
j 48787170264/953125 j-invariant
L 8.7271915906776 L(r)(E,1)/r!
Ω 1.2599965111962 Real period
R 2.308787234806 Regulator
r 1 Rank of the group of rational points
S 1.0000000008969 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 87840d2 87840a2 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
Back to Tables and computations