Cremona's table of elliptic curves

Curve 128576f1

128576 = 26 · 72 · 41



Data for elliptic curve 128576f1

Field Data Notes
Atkin-Lehner 2+ 7+ 41+ Signs for the Atkin-Lehner involutions
Class 128576f Isogeny class
Conductor 128576 Conductor
∏ cp 6 Product of Tamagawa factors cp
deg 258048 Modular degree for the optimal curve
Δ -3872470482944 = -1 · 214 · 78 · 41 Discriminant
Eigenvalues 2+ -1  3 7+ -3  4  0  7 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-8689,328721] [a1,a2,a3,a4,a6]
Generators [-65:784:1] Generators of the group modulo torsion
j -768208/41 j-invariant
L 7.5682925239562 L(r)(E,1)/r!
Ω 0.7748854540972 Real period
R 1.6278303556759 Regulator
r 1 Rank of the group of rational points
S 1.0000000182141 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128576by1 8036a1 128576bh1 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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