Properties

Label 960.10124.8.c1
Order $ 2^{3} \cdot 3 \cdot 5 $
Index $ 2^{3} $
Normal Yes

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Subgroup ($H$) information

Description:$C_{10}\times D_6$
Order: \(120\)\(\medspace = 2^{3} \cdot 3 \cdot 5 \)
Index: \(8\)\(\medspace = 2^{3} \)
Exponent: \(30\)\(\medspace = 2 \cdot 3 \cdot 5 \)
Generators: $ab, d^{30}, d^{12}, c^{2}, d^{40}$ Copy content Toggle raw display
Derived length: $2$

The subgroup is normal, nonabelian, supersolvable (hence solvable and monomial), hyperelementary for $p = 2$, metabelian, and an A-group.

Ambient group ($G$) information

Description: $S_3\times D_4\times C_{20}$
Order: \(960\)\(\medspace = 2^{6} \cdot 3 \cdot 5 \)
Exponent: \(60\)\(\medspace = 2^{2} \cdot 3 \cdot 5 \)
Derived length:$2$

The ambient group is nonabelian, supersolvable (hence solvable and monomial), hyperelementary for $p = 2$, and metabelian.

Quotient group ($Q$) structure

Description: $C_2^3$
Order: \(8\)\(\medspace = 2^{3} \)
Exponent: \(2\)
Automorphism Group: $\PSL(2,7)$, of order \(168\)\(\medspace = 2^{3} \cdot 3 \cdot 7 \)
Outer Automorphisms: $\PSL(2,7)$, of order \(168\)\(\medspace = 2^{3} \cdot 3 \cdot 7 \)
Derived length: $1$

The quotient is abelian (hence nilpotent, solvable, supersolvable, monomial, metabelian, and an A-group), a $p$-group (hence elementary and hyperelementary), 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_3:(C_2^7.C_2^5)$
$\operatorname{Aut}(H)$ $C_4\times S_3\times S_4$, of order \(576\)\(\medspace = 2^{6} \cdot 3^{2} \)
$\operatorname{res}(S)$$C_{12}:C_2^3$, of order \(96\)\(\medspace = 2^{5} \cdot 3 \)
$\card{\operatorname{ker}(\operatorname{res})}$\(64\)\(\medspace = 2^{6} \)
$W$$D_6$, of order \(12\)\(\medspace = 2^{2} \cdot 3 \)

Related subgroups

Centralizer:$C_2^2\times C_{20}$
Normalizer:$S_3\times D_4\times C_{20}$
Minimal over-subgroups:$C_{15}:C_2^4$$C_{30}:D_4$$D_6\times C_{20}$$D_6:C_{20}$$D_6\times C_{20}$$D_6:C_{20}$$C_{10}\times D_{12}$
Maximal under-subgroups:$C_2\times C_{30}$$S_3\times C_{10}$$S_3\times C_{10}$$S_3\times C_{10}$$C_2^2\times C_{10}$$C_2\times D_6$

Other information

Number of subgroups in this autjugacy class$2$
Number of conjugacy classes in this autjugacy class$2$
Möbius function$-8$
Projective image$C_2^2\times D_6$