Properties

Label 996.4.3.a1.a1
Order $ 2^{2} \cdot 83 $
Index $ 3 $
Normal Yes

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Subgroup ($H$) information

Description:$C_{332}$
Order: \(332\)\(\medspace = 2^{2} \cdot 83 \)
Index: \(3\)
Exponent: \(332\)\(\medspace = 2^{2} \cdot 83 \)
Generators: $a^{249}, a^{12}, a^{498}$ Copy content Toggle raw display
Nilpotency class: $1$
Derived length: $1$

The subgroup is characteristic (hence normal), maximal, a direct factor, cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary ($p = 2,83$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group), central, and a Hall subgroup.

Ambient group ($G$) information

Description: $C_{996}$
Order: \(996\)\(\medspace = 2^{2} \cdot 3 \cdot 83 \)
Exponent: \(996\)\(\medspace = 2^{2} \cdot 3 \cdot 83 \)
Nilpotency class:$1$
Derived length:$1$

The ambient group is cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary ($p = 2,3,83$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group).

Quotient group ($Q$) structure

Description: $C_3$
Order: \(3\)
Exponent: \(3\)
Automorphism Group: $C_2$, of order \(2\)
Outer Automorphisms: $C_2$, of order \(2\)
Nilpotency class: $1$
Derived length: $1$

The quotient is cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary, hyperelementary, metacyclic, metabelian, a Z-group, and an A-group), a $p$-group, and simple.

Automorphism information

Since the subgroup $H$ is characteristic, the automorphism group $\operatorname{Aut}(G)$ of the ambient group acts on $H$, yielding a homomorphism $\operatorname{res} : \operatorname{Aut}(G) \to \operatorname{Aut}(H)$. The image of $\operatorname{res}$ on the inner automorphism group $\operatorname{Inn}(G)$ is the Weyl group $W = G / Z_G(H)$.

$\operatorname{Aut}(G)$$C_2^2\times C_{82}$, of order \(328\)\(\medspace = 2^{3} \cdot 41 \)
$\operatorname{Aut}(H)$ $C_2\times C_{82}$, of order \(164\)\(\medspace = 2^{2} \cdot 41 \)
$\operatorname{res}(\operatorname{Aut}(G))$$C_2\times C_{82}$, of order \(164\)\(\medspace = 2^{2} \cdot 41 \)
$\card{\operatorname{ker}(\operatorname{res})}$\(2\)
$W$$C_1$, of order $1$

Related subgroups

Centralizer:$C_{996}$
Normalizer:$C_{996}$
Complements:$C_3$
Minimal over-subgroups:$C_{996}$
Maximal under-subgroups:$C_{166}$$C_4$

Other information

Möbius function$-1$
Projective image$C_3$