Cremona's table of elliptic curves

Curve 1976a1

1976 = 23 · 13 · 19



Data for elliptic curve 1976a1

Field Data Notes
Atkin-Lehner 2+ 13+ 19+ Signs for the Atkin-Lehner involutions
Class 1976a Isogeny class
Conductor 1976 Conductor
∏ cp 2 Product of Tamagawa factors cp
deg 80 Modular degree for the optimal curve
Δ -3952 = -1 · 24 · 13 · 19 Discriminant
Eigenvalues 2+  0  2  2 -6 13+  1 19+ Hecke eigenvalues for primes up to 20
Equation [0,0,0,1,3] [a1,a2,a3,a4,a6]
Generators [-1:1:1] Generators of the group modulo torsion
j 6912/247 j-invariant
L 3.2457590257936 L(r)(E,1)/r!
Ω 3.3267489191148 Real period
R 0.48782747131053 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 3952b1 15808l1 17784m1 49400t1 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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