Cremona's table of elliptic curves

Curve 4242a1

4242 = 2 · 3 · 7 · 101



Data for elliptic curve 4242a1

Field Data Notes
Atkin-Lehner 2+ 3+ 7+ 101+ Signs for the Atkin-Lehner involutions
Class 4242a Isogeny class
Conductor 4242 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 2160 Modular degree for the optimal curve
Δ -7601664 = -1 · 29 · 3 · 72 · 101 Discriminant
Eigenvalues 2+ 3+  3 7+  6 -6  8 -6 Hecke eigenvalues for primes up to 20
Equation [1,1,0,-21,-147] [a1,a2,a3,a4,a6]
Generators [7:7:1] Generators of the group modulo torsion
j -1102302937/7601664 j-invariant
L 2.8374687931944 L(r)(E,1)/r!
Ω 0.98426417355936 Real period
R 1.4414162728962 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 33936g1 12726j1 106050cb1 29694g1 Quadratic twists by: -4 -3 5 -7


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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