Cremona's table of elliptic curves

Curve 87241a1

87241 = 7 · 112 · 103



Data for elliptic curve 87241a1

Field Data Notes
Atkin-Lehner 7+ 11+ 103- Signs for the Atkin-Lehner involutions
Class 87241a Isogeny class
Conductor 87241 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 75648 Modular degree for the optimal curve
Δ -691908371 = -1 · 72 · 113 · 1032 Discriminant
Eigenvalues  2  3  1 7+ 11+ -2  0  2 Hecke eigenvalues for primes up to 20
Equation [0,0,1,-187,1603] [a1,a2,a3,a4,a6]
j -543338496/519841 j-invariant
L 11.748148399563 L(r)(E,1)/r!
Ω 1.468518573914 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 87241c1 Quadratic twists by: -11


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

Part of Computational Number Theory
Back to Tables and computations