Cremona's table of elliptic curves

Curve 21912a1

21912 = 23 · 3 · 11 · 83



Data for elliptic curve 21912a1

Field Data Notes
Atkin-Lehner 2+ 3- 11+ 83- Signs for the Atkin-Lehner involutions
Class 21912a Isogeny class
Conductor 21912 Conductor
∏ cp 16 Product of Tamagawa factors cp
deg 14336 Modular degree for the optimal curve
Δ 1533489408 = 28 · 38 · 11 · 83 Discriminant
Eigenvalues 2+ 3-  2  4 11+  2 -6 -4 Hecke eigenvalues for primes up to 20
Equation [0,1,0,-412,-2752] [a1,a2,a3,a4,a6]
Generators [-13:24:1] Generators of the group modulo torsion
j 30285104848/5990193 j-invariant
L 8.1107883207669 L(r)(E,1)/r!
Ω 1.074099188982 Real period
R 1.8878117598371 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 43824f1 65736m1 Quadratic twists by: -4 -3


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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