Properties

Label 243.61.243.a1
Order $ 1 $
Index $ 3^{5} $
Normal Yes

Downloads

Learn more

Subgroup ($H$) information

Description:$C_1$
Order: $1$
Index: \(243\)\(\medspace = 3^{5} \)
Exponent: $1$
Generators:
Nilpotency class: $0$
Derived length: $0$

The subgroup is the commutator subgroup (hence characteristic and normal), a direct factor, cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary (for every $p$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group), stem (hence central), a $p$-group (for every $p$), perfect, and rational.

Ambient group ($G$) information

Description: $C_3^3\times C_9$
Order: \(243\)\(\medspace = 3^{5} \)
Exponent: \(9\)\(\medspace = 3^{2} \)
Nilpotency class:$1$
Derived length:$1$

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

Quotient group ($Q$) structure

Description: $C_3^3\times C_9$
Order: \(243\)\(\medspace = 3^{5} \)
Exponent: \(9\)\(\medspace = 3^{2} \)
Automorphism Group: $C_3^4.(C_2\times C_3^3:\GL(3,3))$, of order \(49128768\)\(\medspace = 2^{6} \cdot 3^{10} \cdot 13 \)
Outer Automorphisms: $C_3^4.(C_2\times C_3^3:\GL(3,3))$, of order \(49128768\)\(\medspace = 2^{6} \cdot 3^{10} \cdot 13 \)
Nilpotency class: $1$
Derived length: $1$

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

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)$$C_3^4.(C_2\times C_3^3:\GL(3,3))$, of order \(49128768\)\(\medspace = 2^{6} \cdot 3^{10} \cdot 13 \)
$\operatorname{Aut}(H)$ $C_1$, of order $1$
$W$$C_1$, of order $1$

Related subgroups

Centralizer:$C_3^3\times C_9$
Normalizer:$C_3^3\times C_9$
Complements:$C_3^3\times C_9$
Minimal over-subgroups:$C_3$$C_3$

Other information

Number of conjugacy classes in this autjugacy class$1$
Möbius function$0$
Projective image$C_3^3\times C_9$