Cremona's table of elliptic curves

Curve 42048s1

42048 = 26 · 32 · 73



Data for elliptic curve 42048s1

Field Data Notes
Atkin-Lehner 2+ 3- 73- Signs for the Atkin-Lehner involutions
Class 42048s Isogeny class
Conductor 42048 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 24576 Modular degree for the optimal curve
Δ 17656123392 = 212 · 310 · 73 Discriminant
Eigenvalues 2+ 3-  0 -2  0 -4  6 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-660,-1312] [a1,a2,a3,a4,a6]
Generators [-14:72:1] Generators of the group modulo torsion
j 10648000/5913 j-invariant
L 5.123749533037 L(r)(E,1)/r!
Ω 1.009756364489 Real period
R 1.2685608413155 Regulator
r 1 Rank of the group of rational points
S 0.99999999999957 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 42048r1 21024l1 14016k1 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