Cremona's table of elliptic curves

Curve 21912c2

21912 = 23 · 3 · 11 · 83



Data for elliptic curve 21912c2

Field Data Notes
Atkin-Lehner 2- 3+ 11- 83+ Signs for the Atkin-Lehner involutions
Class 21912c Isogeny class
Conductor 21912 Conductor
∏ cp 4 Product of Tamagawa factors cp
Δ -46093031424 = -1 · 211 · 33 · 112 · 832 Discriminant
Eigenvalues 2- 3+  2  0 11- -2  0 -4 Hecke eigenvalues for primes up to 20
Equation [0,-1,0,848,-4340] [a1,a2,a3,a4,a6]
Generators [6483:100970:27] Generators of the group modulo torsion
j 32890394014/22506363 j-invariant
L 4.9716529137831 L(r)(E,1)/r!
Ω 0.64279739025998 Real period
R 7.7344012112001 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 43824h2 65736g2 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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