Properties

Label 2916.iz.12.a1
Order $ 3^{5} $
Index $ 2^{2} \cdot 3 $
Normal Yes

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Subgroup ($H$) information

Description:$C_3^5$
Order: \(243\)\(\medspace = 3^{5} \)
Index: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Exponent: \(3\)
Generators: $\langle(2,5,4), (10,13,15)(11,12,16)(14,17,18), (1,3,6)(2,4,5)(10,17,16)(11,13,18) \!\cdots\! \rangle$ Copy content Toggle raw display
Nilpotency class: $1$
Derived length: $1$

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

Ambient group ($G$) information

Description: $(C_3^3\times \He_3):C_4$
Order: \(2916\)\(\medspace = 2^{2} \cdot 3^{6} \)
Exponent: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Derived length:$3$

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

Quotient group ($Q$) structure

Description: $C_3:C_4$
Order: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Exponent: \(12\)\(\medspace = 2^{2} \cdot 3 \)
Automorphism Group: $D_6$, of order \(12\)\(\medspace = 2^{2} \cdot 3 \)
Outer Automorphisms: $C_2$, of order \(2\)
Nilpotency class: $-1$
Derived length: $2$

The quotient is nonabelian, a Z-group (hence solvable, supersolvable, monomial, metacyclic, metabelian, and an A-group), and hyperelementary for $p = 2$.

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)$$\He_3:(C_3:S_3).C_6^2.C_{12}.C_2^4$, of order \(3359232\)\(\medspace = 2^{9} \cdot 3^{8} \)
$\operatorname{Aut}(H)$ $\GL(5,3)$, of order \(475566474240\)\(\medspace = 2^{10} \cdot 3^{10} \cdot 5 \cdot 11^{2} \cdot 13 \)
$\operatorname{res}(S)$$C_3^2 \rtimes (C_2^3\times \SD_{16})$, of order \(1152\)\(\medspace = 2^{7} \cdot 3^{2} \)
$\card{\operatorname{ker}(\operatorname{res})}$\(729\)\(\medspace = 3^{6} \)
$W$$C_3:C_4$, of order \(12\)\(\medspace = 2^{2} \cdot 3 \)

Related subgroups

Centralizer:$C_3^5$
Normalizer:$(C_3^3\times \He_3):C_4$
Complements:$C_3:C_4$
Minimal over-subgroups:$C_3^3\times \He_3$$C_3^4:C_6$
Maximal under-subgroups:$C_3^4$$C_3^4$$C_3^4$$C_3^4$$C_3^4$$C_3^4$$C_3^4$$C_3^4$$C_3^4$

Other information

Number of subgroups in this autjugacy class$4$
Number of conjugacy classes in this autjugacy class$4$
Möbius function$0$
Projective image$C_3^5:C_4$