Finite Group Databasebeta
Cayley diagram

C5×D4×C9 #67101

order360
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) = C2×C3×C4×D4 (order 192) · Inn(G) = C22 · Out(G) = C22×C3×C4
homologyAbelianization (H1) = C22×C5×C9 · Schur multiplier (H2) = C2

Aliases

direct productC5×D4×C9
unambiguous semidirect productC4⋊(C2×C5×C9)

Subgroups

subgroupG/H
centerC2×C5×C9C22
commutatorC2C22×C5×C9
Frattini, cosocleC2×C3C22×C3×C5
socleC2×C3×C5C22×C3
prime radicalC3×C5×D4C3
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C5×C9 ◁ G

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:

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

Conjugacy classes & character table

225 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC9×#686, C9×#687, C5×#3672, …
maximal subgroup ofC9×#686, C9×#687, C5×#3672, …
maximal normal subgroup ofC9×#686, C9×#687, C5×#3672, …
maximal quotient ofC5×C9×C22⋊C4, C5×C9×C4⋊C4, C5×C9×D8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(360, 31);