Finite Group Databasebeta
Cayley diagram

C22×C9⋊C9 #66391

order324
nilpotency class2
isoclinismisoclinic class of H(3,𝔽3)
automorphism?
homologyAbelianization (H1) = C22×C3×C9 · Schur multiplier (H2) = C2×C3

Aliases

direct productC22×C9⋊C9

Subgroups

subgroupG/H
center, socle, prime radicalC22×C32C32
commutatorC3C22×C3×C9
Frattini, cosocleC32C22×C32
LCSG ▷ C3 ▷ C1
UCSC1 ◁ C22×C32 ◁ G

85 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 324

A minimal faithful permutation representation — 2 generators on 22 points:

(1,2)(6,8,11)(9,13,12)(14,15,17,16,18,20,19,21,22);(3,4)(5,6,9,7,8,12,10,11,13)

Conjugacy classes & character table

132 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×Dic9⋊C9, #611⋊C9, C22×D9⋊C9, …
maximal subgroup ofC2×Dic9⋊C9, #611⋊C9, C2×C4×C9⋊C9, …
maximal normal subgroup ofC2×Dic9⋊C9, #611⋊C9, C2×C4×C9⋊C9, …
maximal quotient ofC2×C4×C9⋊C9, D4×C9⋊C9, Q8×C9⋊C9, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(324, 83);