Cremona's table of elliptic curves

Curve 128700c2

128700 = 22 · 32 · 52 · 11 · 13



Data for elliptic curve 128700c2

Field Data Notes
Atkin-Lehner 2- 3+ 5+ 11- 13+ Signs for the Atkin-Lehner involutions
Class 128700c Isogeny class
Conductor 128700 Conductor
∏ cp 48 Product of Tamagawa factors cp
Δ 1609990668000000 = 28 · 39 · 56 · 112 · 132 Discriminant
Eigenvalues 2- 3+ 5+  0 11- 13+ -6  0 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-35775,-1748250] [a1,a2,a3,a4,a6]
Generators [-141:702:1] Generators of the group modulo torsion
j 64314864/20449 j-invariant
L 5.9647530123798 L(r)(E,1)/r!
Ω 0.35585098914995 Real period
R 1.3968283359921 Regulator
r 1 Rank of the group of rational points
S 1.0000000120632 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 128700a2 5148b2 Quadratic twists by: -3 5


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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