Cremona's table of elliptic curves

Curve 87216a1

87216 = 24 · 3 · 23 · 79



Data for elliptic curve 87216a1

Field Data Notes
Atkin-Lehner 2+ 3- 23+ 79+ Signs for the Atkin-Lehner involutions
Class 87216a Isogeny class
Conductor 87216 Conductor
∏ cp 5 Product of Tamagawa factors cp
deg 138240 Modular degree for the optimal curve
Δ -705432312576 = -1 · 28 · 35 · 23 · 793 Discriminant
Eigenvalues 2+ 3-  1  4  3  2  2  6 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-2025,-54189] [a1,a2,a3,a4,a6]
j -3588998511616/2755594971 j-invariant
L 6.8880168416875 L(r)(E,1)/r!
Ω 0.34440084200992 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 4 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 43608b1 Quadratic twists by: -4


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