Cremona's table of elliptic curves

Curve 23688b1

23688 = 23 · 32 · 7 · 47



Data for elliptic curve 23688b1

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 47- Signs for the Atkin-Lehner involutions
Class 23688b Isogeny class
Conductor 23688 Conductor
∏ cp 40 Product of Tamagawa factors cp
deg 17920 Modular degree for the optimal curve
Δ -5459989248 = -1 · 28 · 33 · 75 · 47 Discriminant
Eigenvalues 2+ 3+ -2 7-  5 -6  5  5 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-636,7124] [a1,a2,a3,a4,a6]
Generators [10:-42:1] Generators of the group modulo torsion
j -4116151296/789929 j-invariant
L 4.8670146184591 L(r)(E,1)/r!
Ω 1.3008081799255 Real period
R 0.093538284382901 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 47376b1 23688p1 Quadratic twists by: -4 -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
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