Cremona's table of elliptic curves

Curve 171b2

171 = 32 · 19



Data for elliptic curve 171b2

Field Data Notes
Atkin-Lehner 3- 19- Signs for the Atkin-Lehner involutions
Class 171b Isogeny class
Conductor 171 Conductor
∏ cp 6 Product of Tamagawa factors cp
Δ -5000211 = -1 · 36 · 193 Discriminant
Eigenvalues  0 3- -3 -1 -3 -4  3 19- Hecke eigenvalues for primes up to 20
Equation [0,0,1,-84,315] [a1,a2,a3,a4,a6]
Generators [5:4:1] Generators of the group modulo torsion
j -89915392/6859 j-invariant
L 1.0768577238443 L(r)(E,1)/r!
Ω 2.3827779033284 Real period
R 0.67790060647708 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 3 Number of elements in the torsion subgroup
Twists 2736q2 10944t2 19a1 4275k2 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
Back to Tables and computations