Properties

Label 360.91.6.b1.a1
Order $ 2^{2} \cdot 3 \cdot 5 $
Index $ 2 \cdot 3 $
Normal Yes

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Subgroup ($H$) information

Description:$C_{60}$
Order: \(60\)\(\medspace = 2^{2} \cdot 3 \cdot 5 \)
Index: \(6\)\(\medspace = 2 \cdot 3 \)
Exponent: \(60\)\(\medspace = 2^{2} \cdot 3 \cdot 5 \)
Generators: $b^{15}, b^{12}, b^{30}, a^{2}$ Copy content Toggle raw display
Nilpotency class: $1$
Derived length: $1$

The subgroup is normal, a semidirect factor, and cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary ($p = 2,3,5$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group).

Ambient group ($G$) information

Description: $C_{60}:C_6$
Order: \(360\)\(\medspace = 2^{3} \cdot 3^{2} \cdot 5 \)
Exponent: \(60\)\(\medspace = 2^{2} \cdot 3 \cdot 5 \)
Derived length:$2$

The ambient group is nonabelian, metacyclic (hence solvable, supersolvable, monomial, and metabelian), and an A-group.

Quotient group ($Q$) structure

Description: $C_6$
Order: \(6\)\(\medspace = 2 \cdot 3 \)
Exponent: \(6\)\(\medspace = 2 \cdot 3 \)
Automorphism Group: $C_2$, of order \(2\)
Outer Automorphisms: $C_2$, of order \(2\)
Nilpotency class: $1$
Derived length: $1$

The quotient is cyclic (hence abelian, nilpotent, solvable, supersolvable, monomial, elementary ($p = 2,3$), hyperelementary, metacyclic, metabelian, a Z-group, and an A-group).

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_2^2\times \GL(2,3)\times F_5$
$\operatorname{Aut}(H)$ $C_2^2\times C_4$, of order \(16\)\(\medspace = 2^{4} \)
$\operatorname{res}(S)$$C_2^2\times C_4$, of order \(16\)\(\medspace = 2^{4} \)
$\card{\operatorname{ker}(\operatorname{res})}$\(60\)\(\medspace = 2^{2} \cdot 3 \cdot 5 \)
$W$$C_2$, of order \(2\)

Related subgroups

Centralizer:$C_3\times C_{60}$
Normalizer:$C_{60}:C_6$
Complements:$C_6$ $C_6$ $C_6$ $C_6$ $C_6$ $C_6$
Minimal over-subgroups:$C_3\times C_{60}$$D_5\times C_{12}$
Maximal under-subgroups:$C_{30}$$C_{20}$$C_{12}$
Autjugate subgroups:360.91.6.b1.b1360.91.6.b1.c1360.91.6.b1.d1

Other information

Möbius function$1$
Projective image$C_3\times D_5$