Finite Group Databasebeta

C9×#461 #10589015

order576
nilpotency class3
isoclinismisoclinic class of #447
automorphism?
homologyAbelianization (H1) = C23×C9 · Schur multiplier (H2) = C22

Aliases

direct productC9×#461

Subgroups

subgroupG/H
centerC22×C9C2×D4
commutatorC2×C4C23×C9
Frattini, cosocleC2×C3×C4C23×C3
socleC22×C3C2×C3×D4
prime radicalC2×C3×D4C22×C3
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C9 ◁ C42×C9 ◁ G

180 conjugacy classes of subgroups; only the 87 normal subgroups are shown.

normal subgroups only

This group has 180 conjugacy classes of subgroups — too many to draw. Only its 87 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 21
transitive degreeμt(G) = 288

A minimal faithful permutation representation — 3 generators on 21 points:

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

Conjugacy classes & character table

171 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#11779703, #11779845, #11779893, …
maximal subgroup ofC9×#1639, C9×#1642, C9×#1643, …
maximal normal subgroup ofC9×#1639, C9×#1642, C9×#1643, …
maximal quotient ofC9×#1671, C9×#1673, C9×#1675, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(576, 897);