Cremona's table of elliptic curves

Curve 1656c4

1656 = 23 · 32 · 23



Data for elliptic curve 1656c4

Field Data Notes
Atkin-Lehner 2+ 3- 23- Signs for the Atkin-Lehner involutions
Class 1656c Isogeny class
Conductor 1656 Conductor
∏ cp 8 Product of Tamagawa factors cp
Δ 1253401122816 = 211 · 37 · 234 Discriminant
Eigenvalues 2+ 3-  2 -4  0 -2  2 -4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2739,11950] [a1,a2,a3,a4,a6]
Generators [-42:230:1] Generators of the group modulo torsion
j 1522096994/839523 j-invariant
L 2.9048238348964 L(r)(E,1)/r!
Ω 0.74838001314832 Real period
R 1.9407411902118 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 3312b3 13248w4 552e3 41400bu3 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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