Properties

Label 9216.be.2304.D
Order $ 2^{2} $
Index $ 2^{8} \cdot 3^{2} $
Normal Yes

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Subgroup ($H$) information

Description:$C_2^2$
Order: \(4\)\(\medspace = 2^{2} \)
Index: \(2304\)\(\medspace = 2^{8} \cdot 3^{2} \)
Exponent: \(2\)
Generators: $\langle(9,13)(10,16)(11,15)(12,14), (11,15)(12,14)\rangle$ Copy content Toggle raw display
Nilpotency class: $1$
Derived length: $1$

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

Ambient group ($G$) information

Description: $(C_2^3\times A_4^2):D_4$
Order: \(9216\)\(\medspace = 2^{10} \cdot 3^{2} \)
Exponent: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Derived length:$3$

The ambient group is nonabelian and solvable. Whether it is monomial has not been computed.

Quotient group ($Q$) structure

Description: $C_2\times A_4^2:D_4$
Order: \(2304\)\(\medspace = 2^{8} \cdot 3^{2} \)
Exponent: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Automorphism Group: $A_4^2.C_2^4.C_2^3$
Outer Automorphisms: $C_2^2\times D_4$, of order \(32\)\(\medspace = 2^{5} \)
Nilpotency class: $-1$
Derived length: $3$

The quotient is nonabelian and monomial (hence solvable).

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)$$D_5^3.C_2^2$, of order \(73728\)\(\medspace = 2^{13} \cdot 3^{2} \)
$\operatorname{Aut}(H)$ $S_3$, of order \(6\)\(\medspace = 2 \cdot 3 \)
$W$$C_2$, of order \(2\)

Related subgroups

Centralizer:$C_2^6.C_6^2.C_2$
Normalizer:$(C_2^3\times A_4^2):D_4$
Minimal over-subgroups:$C_2^3$$C_2^3$$C_2\times C_4$
Maximal under-subgroups:$C_2$

Other information

Number of conjugacy classes in this autjugacy class$1$
Möbius function not computed
Projective image not computed