Cremona's table of elliptic curves

Curve 84987h1

84987 = 32 · 7 · 19 · 71



Data for elliptic curve 84987h1

Field Data Notes
Atkin-Lehner 3- 7+ 19+ 71- Signs for the Atkin-Lehner involutions
Class 84987h Isogeny class
Conductor 84987 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 547200 Modular degree for the optimal curve
Δ -58157783449896249 = -1 · 39 · 75 · 195 · 71 Discriminant
Eigenvalues -1 3-  3 7+  0 -2  0 19+ Hecke eigenvalues for primes up to 20
Equation [1,-1,1,-26906,11733194] [a1,a2,a3,a4,a6]
Generators [-144:3622:1] Generators of the group modulo torsion
j -2954802548624473/79777480726881 j-invariant
L 4.7755164136434 L(r)(E,1)/r!
Ω 0.29451597625715 Real period
R 4.0536989529015 Regulator
r 1 Rank of the group of rational points
S 0.99999999903213 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 28329c1 Quadratic twists by: -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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