Cremona's table of elliptic curves

Curve 72128k1

72128 = 26 · 72 · 23



Data for elliptic curve 72128k1

Field Data Notes
Atkin-Lehner 2+ 7- 23- Signs for the Atkin-Lehner involutions
Class 72128k Isogeny class
Conductor 72128 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 55296 Modular degree for the optimal curve
Δ -177335631872 = -1 · 216 · 76 · 23 Discriminant
Eigenvalues 2+  0  0 7- -6 -2 -6 -6 Hecke eigenvalues for primes up to 20
Equation [0,0,0,980,-16464] [a1,a2,a3,a4,a6]
Generators [142:1728:1] Generators of the group modulo torsion
j 13500/23 j-invariant
L 3.5636760948492 L(r)(E,1)/r!
Ω 0.53319815723253 Real period
R 3.3417933326818 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 72128bb1 9016f1 1472c1 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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