Cremona's table of elliptic curves

Curve 87840b1

87840 = 25 · 32 · 5 · 61



Data for elliptic curve 87840b1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 61- Signs for the Atkin-Lehner involutions
Class 87840b Isogeny class
Conductor 87840 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 322560 Modular degree for the optimal curve
Δ -91497820631040 = -1 · 212 · 39 · 5 · 613 Discriminant
Eigenvalues 2+ 3+ 5+  1 -4  0 -4 -1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-48168,4094928] [a1,a2,a3,a4,a6]
Generators [-159:2781:1] [136:244:1] Generators of the group modulo torsion
j -153302174208/1134905 j-invariant
L 10.575960220278 L(r)(E,1)/r!
Ω 0.60592993561663 Real period
R 1.4545081313508 Regulator
r 2 Rank of the group of rational points
S 0.99999999996967 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 87840z1 87840bd1 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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