Cremona's table of elliptic curves

Curve 128516b1

128516 = 22 · 192 · 89



Data for elliptic curve 128516b1

Field Data Notes
Atkin-Lehner 2- 19+ 89+ Signs for the Atkin-Lehner involutions
Class 128516b Isogeny class
Conductor 128516 Conductor
∏ cp 12 Product of Tamagawa factors cp
deg 93600 Modular degree for the optimal curve
Δ -13908515584 = -1 · 28 · 193 · 892 Discriminant
Eigenvalues 2- -2  3 -1  1 -2 -7 19+ Hecke eigenvalues for primes up to 20
Equation [0,1,0,-1469,21919] [a1,a2,a3,a4,a6]
Generators [-35:178:1] [25:38:1] Generators of the group modulo torsion
j -199794688/7921 j-invariant
L 10.294281448618 L(r)(E,1)/r!
Ω 1.2445412363466 Real period
R 0.68929559191546 Regulator
r 2 Rank of the group of rational points
S 0.99999999908388 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128516c1 Quadratic twists by: -19


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

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