Cremona's table of elliptic curves

Curve 42048be2

42048 = 26 · 32 · 73



Data for elliptic curve 42048be2

Field Data Notes
Atkin-Lehner 2+ 3- 73- Signs for the Atkin-Lehner involutions
Class 42048be Isogeny class
Conductor 42048 Conductor
∏ cp 16 Product of Tamagawa factors cp
Δ 18330979663872 = 219 · 38 · 732 Discriminant
Eigenvalues 2+ 3- -4  0  2  0  6  8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-56172,-5120080] [a1,a2,a3,a4,a6]
Generators [-139:47:1] Generators of the group modulo torsion
j 102568953241/95922 j-invariant
L 4.8824121761309 L(r)(E,1)/r!
Ω 0.31013013366667 Real period
R 3.9357769901337 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 42048cn2 1314g2 14016p2 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