Cremona's table of elliptic curves

Curve 72128b1

72128 = 26 · 72 · 23



Data for elliptic curve 72128b1

Field Data Notes
Atkin-Lehner 2+ 7- 23+ Signs for the Atkin-Lehner involutions
Class 72128b Isogeny class
Conductor 72128 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 122880 Modular degree for the optimal curve
Δ 4965397692416 = 218 · 77 · 23 Discriminant
Eigenvalues 2+  0  2 7- -4  6  2  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-11564,466480] [a1,a2,a3,a4,a6]
j 5545233/161 j-invariant
L 3.0609127414564 L(r)(E,1)/r!
Ω 0.76522818395723 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 72128bw1 1127a1 10304h1 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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