Cremona's table of elliptic curves

Curve 87840be1

87840 = 25 · 32 · 5 · 61



Data for elliptic curve 87840be1

Field Data Notes
Atkin-Lehner 2- 3+ 5- 61- Signs for the Atkin-Lehner involutions
Class 87840be Isogeny class
Conductor 87840 Conductor
∏ cp 20 Product of Tamagawa factors cp
deg 66560 Modular degree for the optimal curve
Δ -21081600000 = -1 · 212 · 33 · 55 · 61 Discriminant
Eigenvalues 2- 3+ 5- -3 -4 -4  0  1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,408,-6224] [a1,a2,a3,a4,a6]
Generators [12:20:1] [17:75:1] Generators of the group modulo torsion
j 67917312/190625 j-invariant
L 10.401839636864 L(r)(E,1)/r!
Ω 0.62221400665934 Real period
R 0.83587315021581 Regulator
r 2 Rank of the group of rational points
S 0.99999999997778 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 87840h1 87840c1 Quadratic twists by: -4 -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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