Cremona's table of elliptic curves

Curve 392a1

392 = 23 · 72



Data for elliptic curve 392a1

Field Data Notes
Atkin-Lehner 2- 7- Signs for the Atkin-Lehner involutions
Class 392a Isogeny class
Conductor 392 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 96 Modular degree for the optimal curve
Δ -210827008 = -1 · 28 · 77 Discriminant
Eigenvalues 2-  0 -2 7- -4 -2  6 -8 Hecke eigenvalues for primes up to 20
Equation [0,0,0,49,-686] [a1,a2,a3,a4,a6]
Generators [9:22:1] Generators of the group modulo torsion
j 432/7 j-invariant
L 1.6420053998926 L(r)(E,1)/r!
Ω 0.86788635344347 Real period
R 1.8919590029013 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 784c1 3136e1 3528k1 9800d1 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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