Cremona's table of elliptic curves

Curve 128877i1

128877 = 3 · 7 · 17 · 192



Data for elliptic curve 128877i1

Field Data Notes
Atkin-Lehner 3+ 7- 17+ 19- Signs for the Atkin-Lehner involutions
Class 128877i Isogeny class
Conductor 128877 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 707616 Modular degree for the optimal curve
Δ -85706821675251 = -1 · 37 · 72 · 17 · 196 Discriminant
Eigenvalues  2 3+ -3 7- -3 -1 17+ 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,1,-15282,-847645] [a1,a2,a3,a4,a6]
Generators [57935567698:982402488511:170031464] Generators of the group modulo torsion
j -8390176768/1821771 j-invariant
L 7.507743428286 L(r)(E,1)/r!
Ω 0.21223269917569 Real period
R 17.68752750622 Regulator
r 1 Rank of the group of rational points
S 1.0000000025983 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 357d1 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