Cremona's table of elliptic curves

Curve 128440t1

128440 = 23 · 5 · 132 · 19



Data for elliptic curve 128440t1

Field Data Notes
Atkin-Lehner 2- 5+ 13+ 19- Signs for the Atkin-Lehner involutions
Class 128440t Isogeny class
Conductor 128440 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 150528 Modular degree for the optimal curve
Δ -36683748400 = -1 · 24 · 52 · 136 · 19 Discriminant
Eigenvalues 2-  2 5+ -4  4 13+  6 19- Hecke eigenvalues for primes up to 20
Equation [0,-1,0,789,3236] [a1,a2,a3,a4,a6]
Generators [2415:23867:27] Generators of the group modulo torsion
j 702464/475 j-invariant
L 9.4728685920554 L(r)(E,1)/r!
Ω 0.72800078433523 Real period
R 6.5060840919522 Regulator
r 1 Rank of the group of rational points
S 0.99999999453926 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 760a1 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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