Finite Group Databasebeta

C9×C9⋊C27 #14550265

order2187
nilpotency class2
isoclinismisoclinic class of H(3,𝔽3)
automorphism?
homologyAbelianization (H1) = C3×C9×C27 · Schur multiplier (H2) = C32×C9

Aliases

direct productC9×C9⋊C27

Subgroups

subgroupG/H
centerC3×C92C32
commutatorC3C3×C9×C27
Frattini, cosocleC32×C9C33
socle, prime radicalC33C32×C9
LCSG ▷ C3 ▷ C1
UCSC1 ◁ C3×C92 ◁ G
LECSG ▷ C32×C9 ▷ C3 ▷ C1

440 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 2187

A minimal faithful permutation representation — 3 generators on 45 points:

(1,2,3,4,5,6,7,8,9);(11,13,16)(14,18,17)(19,20,23,21,24,29,26,31,36,22,25,30,27,32,37,34,39,42,28,33,38,35,40,43,41,44,45);(10,11,14,12,13,17,15,16,18)

Conjugacy classes & character table

891 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(2187, 4124);