Cremona's table of elliptic curves

Curve 42720h1

42720 = 25 · 3 · 5 · 89



Data for elliptic curve 42720h1

Field Data Notes
Atkin-Lehner 2- 3+ 5- 89+ Signs for the Atkin-Lehner involutions
Class 42720h Isogeny class
Conductor 42720 Conductor
∏ cp 8 Product of Tamagawa factors cp
deg 12800 Modular degree for the optimal curve
Δ 1281600 = 26 · 32 · 52 · 89 Discriminant
Eigenvalues 2- 3+ 5- -2  4 -6  6  6 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-270,1800] [a1,a2,a3,a4,a6]
Generators [12:12:1] Generators of the group modulo torsion
j 34138350784/20025 j-invariant
L 5.3398554403321 L(r)(E,1)/r!
Ω 2.688852626998 Real period
R 0.9929617165914 Regulator
r 1 Rank of the group of rational points
S 1.0000000000003 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42720l1 85440bi1 128160m1 Quadratic twists by: -4 8 -3


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations