Finite Group Databasebeta

C9×#436 #10588990

order576
nilpotency class2
isoclinismisoclinic class of #120
automorphism?
homologyAbelianization (H1) = C22×C4×C9 · Schur multiplier (H2) = C22

Aliases

direct productC9×#436

Subgroups

subgroupG/H
centerC2×C4×C9C23
commutatorC22C22×C4×C9
Frattini, cosocleC2×C3×C4C23×C3
socleC22×C3C22×C3×C4
prime radicalC2×C3×D4C3×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C9 ◁ G

183 conjugacy classes of subgroups; only the 111 normal subgroups are shown.

normal subgroups only

This group has 183 conjugacy classes of subgroups — too many to draw. Only its 111 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)(10,11)(12,13)(14,15,18,16,17,19,21,20);(11,13)(15,19)(16,20);(14,16,18,19,17,20,21,15)

Conjugacy classes & character table

252 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#11771547, #11777366, #11777463, …
maximal subgroup ofC9×#1330, C9×#1581, C9×#1583, …
maximal normal subgroup ofC9×#1330, C9×#1581, C9×#1583, …
maximal quotient ofC9×#1589, C9×#1590, C9×#1591, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(576, 872);