Cremona's table of elliptic curves

Curve 128440v2

128440 = 23 · 5 · 132 · 19



Data for elliptic curve 128440v2

Field Data Notes
Atkin-Lehner 2- 5+ 13+ 19- Signs for the Atkin-Lehner involutions
Class 128440v Isogeny class
Conductor 128440 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 34849560980000000 = 28 · 57 · 136 · 192 Discriminant
Eigenvalues 2- -2 5+ -4 -4 13+ -2 19- Hecke eigenvalues for primes up to 20
Equation [0,1,0,-70415596,-227455385520] [a1,a2,a3,a4,a6]
Generators [75430:20582510:1] Generators of the group modulo torsion
j 31248575021659890256/28203125 j-invariant
L 1.3320386575625 L(r)(E,1)/r!
Ω 0.052117351702453 Real period
R 6.3896120722717 Regulator
r 1 Rank of the group of rational points
S 1.0000000143473 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 760b2 Quadratic twists by: 13


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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