Cremona's table of elliptic curves

Curve 57a1

57 = 3 · 19



Data for elliptic curve 57a1

Field Data Notes
Atkin-Lehner 3+ 19+ Signs for the Atkin-Lehner involutions
Class 57a Isogeny class
Conductor 57 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 4 Modular degree for the optimal curve
Δ -171 = -1 · 32 · 19 Discriminant
Eigenvalues -2 3+ -3 -5  1  2 -1 19+ Hecke eigenvalues for primes up to 20
Equation [0,-1,1,-2,2] [a1,a2,a3,a4,a6]
Generators [2:-2:1] Generators of the group modulo torsion
j -1404928/171 j-invariant
L 0.41749163967631 L(r)(E,1)/r!
Ω 5.5555045213725 Real period
R 0.037574592736824 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 912l1 3648s1 171d1 1425i1 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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