Cremona's table of elliptic curves

Curve 9928b2

9928 = 23 · 17 · 73



Data for elliptic curve 9928b2

Field Data Notes
Atkin-Lehner 2+ 17- 73- Signs for the Atkin-Lehner involutions
Class 9928b Isogeny class
Conductor 9928 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ -1577042944 = -1 · 210 · 172 · 732 Discriminant
Eigenvalues 2+ -2  2  0  0 -2 17- -4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-392,-3680] [a1,a2,a3,a4,a6]
Generators [91:850:1] Generators of the group modulo torsion
j -6522128932/1540081 j-invariant
L 3.4110724296869 L(r)(E,1)/r!
Ω 0.52973481402442 Real period
R 3.2196037898404 Regulator
r 1 Rank of the group of rational points
S 1 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 19856b2 79424g2 89352o2 Quadratic twists by: -4 8 -3


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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