Cremona's table of elliptic curves

Curve 72128m1

72128 = 26 · 72 · 23



Data for elliptic curve 72128m1

Field Data Notes
Atkin-Lehner 2+ 7- 23- Signs for the Atkin-Lehner involutions
Class 72128m Isogeny class
Conductor 72128 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 276480 Modular degree for the optimal curve
Δ -726366748147712 = -1 · 228 · 76 · 23 Discriminant
Eigenvalues 2+  0  4 7- -2 -2  2 -2 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-31948,2551920] [a1,a2,a3,a4,a6]
Generators [-68390:2101659:1000] Generators of the group modulo torsion
j -116930169/23552 j-invariant
L 7.9019694781105 L(r)(E,1)/r!
Ω 0.48599098706416 Real period
R 8.1297489956673 Regulator
r 1 Rank of the group of rational points
S 1.000000000017 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128bd1 2254c1 1472d1 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
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