Cremona's table of elliptic curves

Curve 42642d1

42642 = 2 · 32 · 23 · 103



Data for elliptic curve 42642d1

Field Data Notes
Atkin-Lehner 2+ 3- 23+ 103+ Signs for the Atkin-Lehner involutions
Class 42642d Isogeny class
Conductor 42642 Conductor
∏ cp 4 Product of Tamagawa factors cp
deg 34048 Modular degree for the optimal curve
Δ -84885553152 = -1 · 214 · 37 · 23 · 103 Discriminant
Eigenvalues 2+ 3-  2  0 -2 -1 -3  4 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,-936,-17600] [a1,a2,a3,a4,a6]
j -124475734657/116441088 j-invariant
L 1.6622949176628 L(r)(E,1)/r!
Ω 0.41557372943012 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 14214e1 Quadratic twists by: -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