Cremona's table of elliptic curves

Curve 91980r1

91980 = 22 · 32 · 5 · 7 · 73



Data for elliptic curve 91980r1

Field Data Notes
Atkin-Lehner 2- 3- 5+ 7+ 73- Signs for the Atkin-Lehner involutions
Class 91980r Isogeny class
Conductor 91980 Conductor
∏ cp 30 Product of Tamagawa factors cp
deg 4308480 Modular degree for the optimal curve
Δ 3.7480352480297E+21 Discriminant
Eigenvalues 2- 3- 5+ 7+  3  4  3 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-4231713,-1597029887] [a1,a2,a3,a4,a6]
j 718496766627737449216/321333611799524625 j-invariant
L 3.2922711813618 L(r)(E,1)/r!
Ω 0.10974236909851 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 30660v1 Quadratic twists by: -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
Back to Tables and computations