Cremona's table of elliptic curves

Curve 128516c1

128516 = 22 · 192 · 89



Data for elliptic curve 128516c1

Field Data Notes
Atkin-Lehner 2- 19+ 89- Signs for the Atkin-Lehner involutions
Class 128516c Isogeny class
Conductor 128516 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 1778400 Modular degree for the optimal curve
Δ -654338369051509504 = -1 · 28 · 199 · 892 Discriminant
Eigenvalues 2-  2  3 -1  1  2 -7 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-530429,-153524743] [a1,a2,a3,a4,a6]
Generators [13488773386679055878367976:415564776111209302297063287:9598336878427266640384] Generators of the group modulo torsion
j -199794688/7921 j-invariant
L 13.003665445417 L(r)(E,1)/r!
Ω 0.088247942928734 Real period
R 36.838437854349 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 128516b1 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
Back to Tables and computations