Cremona's table of elliptic curves

Curve 72128k2

72128 = 26 · 72 · 23



Data for elliptic curve 72128k2

Field Data Notes
Atkin-Lehner 2+ 7- 23- Signs for the Atkin-Lehner involutions
Class 72128k Isogeny class
Conductor 72128 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 8157439066112 = 217 · 76 · 232 Discriminant
Eigenvalues 2+  0  0 7- -6 -2 -6 -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-6860,-170128] [a1,a2,a3,a4,a6]
Generators [-56:196:1] Generators of the group modulo torsion
j 2315250/529 j-invariant
L 3.5636760948492 L(r)(E,1)/r!
Ω 0.53319815723253 Real period
R 1.6708966663409 Regulator
r 1 Rank of the group of rational points
S 1.0000000003293 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128bb2 9016f2 1472c2 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