Cremona's table of elliptic curves

Curve 87840m1

87840 = 25 · 32 · 5 · 61



Data for elliptic curve 87840m1

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 61- Signs for the Atkin-Lehner involutions
Class 87840m Isogeny class
Conductor 87840 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 29696 Modular degree for the optimal curve
Δ -113840640 = -1 · 29 · 36 · 5 · 61 Discriminant
Eigenvalues 2+ 3- 5+ -4 -2  7 -1  3 Hecke eigenvalues for primes up to 20
Equation [0,0,0,117,162] [a1,a2,a3,a4,a6]
Generators [18:90:1] Generators of the group modulo torsion
j 474552/305 j-invariant
L 4.937719998463 L(r)(E,1)/r!
Ω 1.1669145757558 Real period
R 2.1157161379057 Regulator
r 1 Rank of the group of rational points
S 0.99999999989773 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 87840bj1 9760h1 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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