Cremona's table of elliptic curves

Curve 128960j2

128960 = 26 · 5 · 13 · 31



Data for elliptic curve 128960j2

Field Data Notes
Atkin-Lehner 2+ 5+ 13- 31- Signs for the Atkin-Lehner involutions
Class 128960j Isogeny class
Conductor 128960 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ 16630681600 = 212 · 52 · 132 · 312 Discriminant
Eigenvalues 2+  0 5+  0 -4 13- -2  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-1108,12768] [a1,a2,a3,a4,a6]
Generators [-12:156:1] Generators of the group modulo torsion
j 36726796224/4060225 j-invariant
L 4.1875423843216 L(r)(E,1)/r!
Ω 1.1966296225447 Real period
R 1.7497237065331 Regulator
r 1 Rank of the group of rational points
S 0.99999998741722 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 128960f2 64480k1 Quadratic twists by: -4 8


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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