Cremona's table of elliptic curves

Curve 87220a1

87220 = 22 · 5 · 72 · 89



Data for elliptic curve 87220a1

Field Data Notes
Atkin-Lehner 2- 5+ 7- 89+ Signs for the Atkin-Lehner involutions
Class 87220a Isogeny class
Conductor 87220 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 2070432 Modular degree for the optimal curve
Δ 4.9102142892578E+20 Discriminant
Eigenvalues 2- -1 5+ 7-  3  1 -2 -2 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-2548261,1147520690] [a1,a2,a3,a4,a6]
Generators [-98674043670520246:10065003275748385733:213268396492936] Generators of the group modulo torsion
j 404906941874176/108642578125 j-invariant
L 4.5756248939936 L(r)(E,1)/r!
Ω 0.15474379879015 Real period
R 29.569035591524 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 87220j1 Quadratic twists by: -7


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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