Cremona's table of elliptic curves

Curve 42688a1

42688 = 26 · 23 · 29



Data for elliptic curve 42688a1

Field Data Notes
Atkin-Lehner 2+ 23+ 29+ Signs for the Atkin-Lehner involutions
Class 42688a Isogeny class
Conductor 42688 Conductor
∏ cp 1 Product of Tamagawa factors cp
deg 4096 Modular degree for the optimal curve
Δ -42688 = -1 · 26 · 23 · 29 Discriminant
Eigenvalues 2+  0 -4  2 -4  1  7 -1 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2,10] [a1,a2,a3,a4,a6]
Generators [1:3:1] Generators of the group modulo torsion
j -13824/667 j-invariant
L 3.6984739626145 L(r)(E,1)/r!
Ω 2.9953898760896 Real period
R 1.2347220614378 Regulator
r 1 Rank of the group of rational points
S 0.99999999999982 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 42688e1 21344b1 Quadratic twists by: -4 8


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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