Cremona's table of elliptic curves

Curve 72128bl1

72128 = 26 · 72 · 23



Data for elliptic curve 72128bl1

Field Data Notes
Atkin-Lehner 2- 7- 23+ Signs for the Atkin-Lehner involutions
Class 72128bl Isogeny class
Conductor 72128 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 122880 Modular degree for the optimal curve
Δ -7137759182848 = -1 · 214 · 77 · 232 Discriminant
Eigenvalues 2- -2  0 7-  4  6  0  0 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-5553,202831] [a1,a2,a3,a4,a6]
Generators [9:392:1] Generators of the group modulo torsion
j -9826000/3703 j-invariant
L 4.952734574275 L(r)(E,1)/r!
Ω 0.70103076696751 Real period
R 1.7662329558306 Regulator
r 1 Rank of the group of rational points
S 0.9999999999189 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128q1 18032d1 10304bd1 Quadratic twists by: -4 8 -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