Subgroup ($H$) information
| Description: | $C_{18}$ |
| Order: | \(18\)\(\medspace = 2 \cdot 3^{2} \) |
| Index: | \(1720\)\(\medspace = 2^{3} \cdot 5 \cdot 43 \) |
| Exponent: | \(18\)\(\medspace = 2 \cdot 3^{2} \) |
| Generators: |
$a^{15480}, a^{6880}, a^{20640}$
|
| Nilpotency class: | $1$ |
| Derived length: | $1$ |
The subgroup is characteristic (hence normal), cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary ($p = 2,3$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group), and central.
Ambient group ($G$) information
| Description: | $C_{30960}$ |
| Order: | \(30960\)\(\medspace = 2^{4} \cdot 3^{2} \cdot 5 \cdot 43 \) |
| Exponent: | \(30960\)\(\medspace = 2^{4} \cdot 3^{2} \cdot 5 \cdot 43 \) |
| Nilpotency class: | $1$ |
| Derived length: | $1$ |
The ambient group is cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary ($p = 2,3,5,43$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group).
Quotient group ($Q$) structure
| Description: | $C_{1720}$ |
| Order: | \(1720\)\(\medspace = 2^{3} \cdot 5 \cdot 43 \) |
| Exponent: | \(1720\)\(\medspace = 2^{3} \cdot 5 \cdot 43 \) |
| Automorphism Group: | $C_2^3\times C_{84}$, of order \(672\)\(\medspace = 2^{5} \cdot 3 \cdot 7 \) |
| Outer Automorphisms: | $C_2^3\times C_{84}$, of order \(672\)\(\medspace = 2^{5} \cdot 3 \cdot 7 \) |
| Nilpotency class: | $1$ |
| Derived length: | $1$ |
The quotient is cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary ($p = 2,5,43$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group).
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 $W = G / Z_G(H)$.
| $\operatorname{Aut}(G)$ | $C_2^3\times C_{12}\times C_{84}$ |
| $\operatorname{Aut}(H)$ | $C_6$, of order \(6\)\(\medspace = 2 \cdot 3 \) |
| $W$ | $C_1$, of order $1$ |
Related subgroups
| Centralizer: | $C_{30960}$ | ||
| Normalizer: | $C_{30960}$ | ||
| Minimal over-subgroups: | $C_{774}$ | $C_{90}$ | $C_{36}$ |
| Maximal under-subgroups: | $C_9$ | $C_6$ |
Other information
| Möbius function | $0$ |
| Projective image | $C_{1720}$ |