Cremona's table of elliptic curves

Curve 42688i1

42688 = 26 · 23 · 29



Data for elliptic curve 42688i1

Field Data Notes
Atkin-Lehner 2+ 23- 29- Signs for the Atkin-Lehner involutions
Class 42688i Isogeny class
Conductor 42688 Conductor
∏ cp 18 Product of Tamagawa factors cp
deg 716544 Modular degree for the optimal curve
Δ -491153934159020864 = -1 · 26 · 232 · 299 Discriminant
Eigenvalues 2+  1  3 -4  5 -5  6 -8 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-17524,33724378] [a1,a2,a3,a4,a6]
Generators [-8493:77372:27] Generators of the group modulo torsion
j -9299685341217088/7674280221234701 j-invariant
L 7.4370487493003 L(r)(E,1)/r!
Ω 0.23806106121227 Real period
R 1.7355605022397 Regulator
r 1 Rank of the group of rational points
S 0.99999999999962 (Analytic) order of Ш
t 1 Number of elements in the torsion subgroup
Twists 42688d1 21344c1 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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