Cremona's table of elliptic curves

Curve 128516a1

128516 = 22 · 192 · 89



Data for elliptic curve 128516a1

Field Data Notes
Atkin-Lehner 2- 19+ 89+ Signs for the Atkin-Lehner involutions
Class 128516a Isogeny class
Conductor 128516 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 615600 Modular degree for the optimal curve
Δ -386953500326144 = -1 · 28 · 198 · 89 Discriminant
Eigenvalues 2- -1  3  5  4  2  6 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-16004,-1220648] [a1,a2,a3,a4,a6]
j -104272/89 j-invariant
L 5.5314952660928 L(r)(E,1)/r!
Ω 0.20487017092242 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 9 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128516e1 Quadratic twists by: -19


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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