Properties

Label 768.1088705.2.f1
Order $ 2^{7} \cdot 3 $
Index $ 2 $
Normal Yes

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Subgroup ($H$) information

Description:$C_2^4:D_{12}$
Order: \(384\)\(\medspace = 2^{7} \cdot 3 \)
Index: \(2\)
Exponent: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Generators: $\left(\begin{array}{rr} 31 & 3 \\ 0 & 1 \end{array}\right), \left(\begin{array}{rr} 41 & 0 \\ 24 & 41 \end{array}\right), \left(\begin{array}{rr} 22 & 27 \\ 15 & 25 \end{array}\right), \left(\begin{array}{rr} 35 & 24 \\ 40 & 43 \end{array}\right), \left(\begin{array}{rr} 25 & 0 \\ 0 & 25 \end{array}\right), \left(\begin{array}{rr} 25 & 0 \\ 24 & 25 \end{array}\right), \left(\begin{array}{rr} 25 & 24 \\ 0 & 25 \end{array}\right), \left(\begin{array}{rr} 17 & 16 \\ 24 & 1 \end{array}\right)$ Copy content Toggle raw display
Derived length: $3$

The subgroup is normal, maximal, a direct factor, nonabelian, and monomial (hence solvable).

Ambient group ($G$) information

Description: $C_2^5:D_{12}$
Order: \(768\)\(\medspace = 2^{8} \cdot 3 \)
Exponent: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Derived length:$3$

The ambient group is nonabelian and monomial (hence solvable).

Quotient group ($Q$) structure

Description: $C_2$
Order: \(2\)
Exponent: \(2\)
Automorphism Group: $C_1$, of order $1$
Outer Automorphisms: $C_1$, of order $1$
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, simple, and rational.

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_2^4\times A_4).C_2^5.C_2^4$
$\operatorname{Aut}(H)$ $A_4.C_2^6.C_2^2$
$\card{W}$\(96\)\(\medspace = 2^{5} \cdot 3 \)

Related subgroups

Centralizer:$C_2^3$
Normalizer:$C_2^5:D_{12}$
Complements:$C_2$ $C_2$ $C_2$ $C_2$ $C_2$ $C_2$
Minimal over-subgroups:$C_2^5:D_{12}$
Maximal under-subgroups:$C_2^3\times S_4$$C_2\times \GL(2,\mathbb{Z}/4)$$C_2^4:C_{12}$$C_2^3:D_{12}$$C_2.\GL(2,\mathbb{Z}/4)$$C_2^4:D_4$$C_2^2:D_{12}$

Other information

Number of subgroups in this autjugacy class$8$
Number of conjugacy classes in this autjugacy class$8$
Möbius function not computed
Projective image not computed