Cremona's table of elliptic curves

Curve 23520r2

23520 = 25 · 3 · 5 · 72



Data for elliptic curve 23520r2

Field Data Notes
Atkin-Lehner 2+ 3- 5+ 7- Signs for the Atkin-Lehner involutions
Class 23520r Isogeny class
Conductor 23520 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ -948899895648768000 = -1 · 212 · 38 · 53 · 710 Discriminant
Eigenvalues 2+ 3- 5+ 7-  4  2  2 -8 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-226641,62544159] [a1,a2,a3,a4,a6]
Generators [177:5292:1] Generators of the group modulo torsion
j -2671731885376/1969120125 j-invariant
L 6.4533297023148 L(r)(E,1)/r!
Ω 0.2565803060755 Real period
R 1.571956603232 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 23520bh2 47040bp1 70560ee2 117600fd2 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
Back to Tables and computations