Cremona's table of elliptic curves

Curve 19320r4

19320 = 23 · 3 · 5 · 7 · 23



Data for elliptic curve 19320r4

Field Data Notes
Atkin-Lehner 2- 3+ 5- 7+ 23- Signs for the Atkin-Lehner involutions
Class 19320r Isogeny class
Conductor 19320 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ -42099985687065600 = -1 · 210 · 3 · 52 · 7 · 238 Discriminant
Eigenvalues 2- 3+ 5- 7+  4  6  2 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,-82080,13420572] [a1,a2,a3,a4,a6]
j -59722927783102084/41113267272525 j-invariant
L 2.6671374315902 L(r)(E,1)/r!
Ω 0.33339217894877 Real period
R 1 Regulator
r 0 Rank of the group of rational points
S 4 (Analytic) order of Ш
t 4 Number of elements in the torsion subgroup
Twists 38640ba3 57960l3 96600bf3 Quadratic twists by: -4 -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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