Cremona's table of elliptic curves

Curve 91728dl1

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728dl1

Field Data Notes
Atkin-Lehner 2- 3- 7+ 13+ Signs for the Atkin-Lehner involutions
Class 91728dl Isogeny class
Conductor 91728 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 56448 Modular degree for the optimal curve
Δ 4732889616 = 24 · 36 · 74 · 132 Discriminant
Eigenvalues 2- 3-  3 7+ -5 13+  1  7 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-441,1323] [a1,a2,a3,a4,a6]
Generators [-94:559:8] Generators of the group modulo torsion
j 338688/169 j-invariant
L 8.3307447329707 L(r)(E,1)/r!
Ω 1.2151912157151 Real period
R 3.4277505581631 Regulator
r 1 Rank of the group of rational points
S 0.99999999965021 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 22932g1 10192n1 91728gd1 Quadratic twists by: -4 -3 -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
Back to Tables and computations