Cremona's table of elliptic curves

Curve 8190a1

8190 = 2 · 32 · 5 · 7 · 13



Data for elliptic curve 8190a1

Field Data Notes
Atkin-Lehner 2+ 3+ 5+ 7+ 13+ Signs for the Atkin-Lehner involutions
Class 8190a Isogeny class
Conductor 8190 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 1280 Modular degree for the optimal curve
Δ -1719900 = -1 · 22 · 33 · 52 · 72 · 13 Discriminant
Eigenvalues 2+ 3+ 5+ 7+  4 13+ -6  0 Hecke eigenvalues for primes up to 20
Equation [1,-1,0,30,0] [a1,a2,a3,a4,a6]
Generators [3:9:1] Generators of the group modulo torsion
j 108531333/63700 j-invariant
L 2.8695116406612 L(r)(E,1)/r!
Ω 1.6102030491322 Real period
R 0.44552015384142 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 65520bx1 8190be1 40950df1 57330k1 Quadratic twists by: -4 -3 5 -7


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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