Finite Group Databasebeta
Cayley diagram

#272⋊C9 #92179

order486
isoclinismisoclinic class of #4174
automorphismAut(G) = C32×((C3⋊D3)⋊C3)⋊C2 (order 972) · Inn(G) = (C3⋊D3)⋊C3 · Out(G) = C2×C32
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#272⋊C9

Splittings

Fitting, SylowH(3,𝔽3)⋊C9 ⋊ C2
derivedH(3,𝔽3) ⋊ C2×C9

Subgroups

subgroupG/H
center, socle, hypercenterC32(C3⋊D3)⋊C3
commutator, hypocenterH(3,𝔽3)C2×C9
FrattiniC33C3×D3
FittingH(3,𝔽3)⋊C9C2
prime radicalC3×#272C3
cosocleC3×H(3,𝔽3)C2×C3
LCSG ▷ H(3,𝔽3)
UCSC1 ◁ C32

67 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 81

A minimal faithful permutation representation — 2 generators on 18 points:

(1,5,9,3,8,4,6,2,7)(11,17,16,14,15,18);(10,11,14)(12,16,18)(13,15,17)

Polycyclic presentation:

2,3^5|b^3=c,d^a=d^2,e^a=e^2f,d^b=de,e^d=ef

Conjugacy classes & character table

66 conjugacy classes — view the full character table.

Relationships

maximal subgroup of(#272⋊C9)⋊C2, C2×#272⋊C9, C3×#272⋊C9, …
maximal normal subgroup of(#272⋊C9)⋊C2, C2×#272⋊C9, C3×#272⋊C9, …
maximal quotient of#1084⋊C9, C2×#272⋊C9, #272⋊C27, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(486, 24);