Cremona's table of elliptic curves

Curve 18720br4

18720 = 25 · 32 · 5 · 13



Data for elliptic curve 18720br4

Field Data Notes
Atkin-Lehner 2- 3- 5- 13- Signs for the Atkin-Lehner involutions
Class 18720br Isogeny class
Conductor 18720 Conductor
∏ cp 32 Product of Tamagawa factors cp
Δ -159905041920 = -1 · 29 · 37 · 5 · 134 Discriminant
Eigenvalues 2- 3- 5-  0 -4 13- -6  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,933,15806] [a1,a2,a3,a4,a6]
Generators [-10:74:1] Generators of the group modulo torsion
j 240641848/428415 j-invariant
L 5.1613267661912 L(r)(E,1)/r!
Ω 0.70215142305181 Real period
R 3.6753658803099 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 18720bp4 37440ds3 6240c4 93600w2 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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