Cremona's table of elliptic curves

Curve 19a1

19 = Prime conductor



Data for elliptic curve 19a1

Field Data Notes
Atkin-Lehner 19- Signs for the Atkin-Lehner involutions
Class 19a Isogeny class
Conductor 19 Conductor
∏ cp 3 Product of Tamagawa factors cp
deg 1 Modular degree for the optimal curve
Δ -6859 = -1 · 193 Discriminant
Eigenvalues  0 -2  3 -1  3 -4 -3 19- Hecke eigenvalues for primes up to 20
Equation [0,1,1,-9,-15] [a1,a2,a3,a4,a6]
j -89915392/6859 j-invariant
L 0.4532532444961 L(r)(E,1)/r!
Ω 1.3597597334883 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 3 Number of elements in the torsion subgroup
Twists 304e2 1216d2 171b2 475a2 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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