Cremona's table of elliptic curves

Curve 1786a1

1786 = 2 · 19 · 47



Data for elliptic curve 1786a1

Field Data Notes
Atkin-Lehner 2+ 19+ 47- Signs for the Atkin-Lehner involutions
Class 1786a Isogeny class
Conductor 1786 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 160 Modular degree for the optimal curve
Δ -83942 = -1 · 2 · 19 · 472 Discriminant
Eigenvalues 2+  1  2  1  4  5 -1 19+ Hecke eigenvalues for primes up to 20
Equation [1,0,1,-30,-66] [a1,a2,a3,a4,a6]
j -2845178713/83942 j-invariant
L 2.0446198985528 L(r)(E,1)/r!
Ω 1.0223099492764 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 14288b1 57152g1 16074g1 44650m1 Quadratic twists by: -4 8 -3 5


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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