Finite Group Databasebeta
Cayley diagram

C5×#611 #67094

order360
isoclinismisoclinic class of Dic18
automorphismAut(G) = C22×C4×AGL(1,ℤ/9) (order 864) · Inn(G) = C2×D9 · Out(G) = C2×C3×C4
homologyAbelianization (H1) = C22×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#611

Splittings

FittingC22×C5×C9 ⋊ C2
HallC5×C9 ⋊ D4
SylowC9 ⋊ C5×D4

Subgroups

subgroupG/H
centerC2×C5C2×D9
commutator, cosocleC2×C9C22×C5
FrattiniC2×C3C2×C5×D3
FittingC22×C5×C9C2
socleC2×C3×C5C2×D3
hypercenterC22×C5D9
hypocenterC9C5×D4
LCSG ▷ C2×C9 ▷ C9
UCSC1 ◁ C2×C5 ◁ C22×C5

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 180

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

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

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10623672, #10623677, D5×#611, …
maximal normal subgroup of#10623672, #10623677, D5×#611, …
maximal quotient ofC5×Dic9⋊C4, C5×(C2×D9)⋊C4, C5×#3672, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(360, 24);