Cremona's table of elliptic curves

Curve 87840ba1

87840 = 25 · 32 · 5 · 61



Data for elliptic curve 87840ba1

Field Data Notes
Atkin-Lehner 2- 3+ 5+ 61- Signs for the Atkin-Lehner involutions
Class 87840ba Isogeny class
Conductor 87840 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 25344 Modular degree for the optimal curve
Δ -105408000 = -1 · 29 · 33 · 53 · 61 Discriminant
Eigenvalues 2- 3+ 5+ -1  4 -7  0 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,117,-82] [a1,a2,a3,a4,a6]
Generators [1:6:1] Generators of the group modulo torsion
j 12812904/7625 j-invariant
L 5.102902086274 L(r)(E,1)/r!
Ω 1.100509915139 Real period
R 1.1592131111033 Regulator
r 1 Rank of the group of rational points
S 0.99999999924765 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 87840y1 87840g1 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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