Cremona's table of elliptic curves

Curve 87840bt2

87840 = 25 · 32 · 5 · 61



Data for elliptic curve 87840bt2

Field Data Notes
Atkin-Lehner 2- 3- 5- 61- Signs for the Atkin-Lehner involutions
Class 87840bt Isogeny class
Conductor 87840 Conductor
∏ cp 24 Product of Tamagawa factors cp
Δ -16675875000000000 = -1 · 29 · 37 · 512 · 61 Discriminant
Eigenvalues 2- 3- 5-  0  4 -6  2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-29307,-6506206] [a1,a2,a3,a4,a6]
Generators [801878:18562950:1331] Generators of the group modulo torsion
j -7458308028872/44677734375 j-invariant
L 7.457067125059 L(r)(E,1)/r!
Ω 0.16321789776033 Real period
R 7.6146337976058 Regulator
r 1 Rank of the group of rational points
S 1.0000000001474 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 87840bv2 29280f2 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