Cremona's table of elliptic curves

Curve 128605a2

128605 = 5 · 172 · 89



Data for elliptic curve 128605a2

Field Data Notes
Atkin-Lehner 5- 17+ 89+ Signs for the Atkin-Lehner involutions
Class 128605a Isogeny class
Conductor 128605 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ 1.7334104692295E+22 Discriminant
Eigenvalues  1 -2 5-  2  4 -4 17+  0 Hecke eigenvalues for primes up to 20
Equation [1,0,1,-6471728,-177610899] [a1,a2,a3,a4,a6]
j 1241912091608857369/718137965438645 j-invariant
L 0.41437972149365 L(r)(E,1)/r!
Ω 0.10359448297053 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 4 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 7565a2 Quadratic twists by: 17


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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