Properties

Label 1600.5593.100.e1
Order $ 2^{4} $
Index $ 2^{2} \cdot 5^{2} $
Normal Yes

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Subgroup ($H$) information

Description:$C_{16}$
Order: \(16\)\(\medspace = 2^{4} \)
Index: \(100\)\(\medspace = 2^{2} \cdot 5^{2} \)
Exponent: \(16\)\(\medspace = 2^{4} \)
Generators: $a^{5}c$ Copy content Toggle raw display
Nilpotency class: $1$
Derived length: $1$

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

Ambient group ($G$) information

Description: $C_{16}.C_{10}^2$
Order: \(1600\)\(\medspace = 2^{6} \cdot 5^{2} \)
Exponent: \(80\)\(\medspace = 2^{4} \cdot 5 \)
Nilpotency class:$2$
Derived length:$2$

The ambient group is nonabelian, nilpotent (hence solvable, supersolvable, and monomial), and metabelian.

Quotient group ($Q$) structure

Description: $C_{10}^2$
Order: \(100\)\(\medspace = 2^{2} \cdot 5^{2} \)
Exponent: \(10\)\(\medspace = 2 \cdot 5 \)
Automorphism Group: $S_3\times \GL(2,5)$, of order \(2880\)\(\medspace = 2^{6} \cdot 3^{2} \cdot 5 \)
Outer Automorphisms: $S_3\times \GL(2,5)$, of order \(2880\)\(\medspace = 2^{6} \cdot 3^{2} \cdot 5 \)
Nilpotency class: $1$
Derived length: $1$

The quotient is abelian (hence nilpotent, solvable, supersolvable, monomial, metabelian, and an A-group) and metacyclic.

Automorphism information

While the subgroup $H$ is not characteristic, the stabilizer $S$ of $H$ in the automorphism group $\operatorname{Aut}(G)$ of the ambient group acts on $H$, yielding a homomorphism $\operatorname{res} : S \to \operatorname{Aut}(H)$. The image of $\operatorname{res}$ on the inner automorphisms $\operatorname{Inn}(G) \cap S$ is the Weyl group $W = N_G(H) / Z_G(H)$.

$\operatorname{Aut}(G)$$(C_2^2\times A_4).C_2^4.S_5$
$\operatorname{Aut}(H)$ $C_2\times C_4$, of order \(8\)\(\medspace = 2^{3} \)
$\operatorname{res}(S)$$C_2\times C_4$, of order \(8\)\(\medspace = 2^{3} \)
$\card{\operatorname{ker}(\operatorname{res})}$\(3840\)\(\medspace = 2^{8} \cdot 3 \cdot 5 \)
$W$$C_2$, of order \(2\)

Related subgroups

Centralizer:$C_{10}\times C_{80}$
Normalizer:$C_{16}.C_{10}^2$
Minimal over-subgroups:$C_{80}$$C_2\times C_{16}$$\OD_{32}$
Maximal under-subgroups:$C_8$

Other information

Number of subgroups in this autjugacy class$3$
Number of conjugacy classes in this autjugacy class$3$
Möbius function$10$
Projective image$C_2\times C_{10}^2$