Finite Group Databasebeta

C9×#443 #10588997

order576
nilpotency class3
isoclinismisoclinic class of D8
automorphism?
homologyAbelianization (H1) = C22×C4×C9 · Schur multiplier (H2) = C22

Aliases

direct productC9×#443

Subgroups

subgroupG/H
centerC8×C9D4
commutatorC4C22×C4×C9
Frattini, cosocleC2×C3×C4C23×C3
socleC2×C3C3×C4×D4
prime radicalC3×#135C2×C3
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C8×C9 ◁ C2×C8×C9 ◁ G

159 conjugacy classes of subgroups; only the 99 normal subgroups are shown.

normal subgroups only

This group has 159 conjugacy classes of subgroups — too many to draw. Only its 99 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) = 25
transitive degreeμt(G) = 144

A minimal faithful permutation representation — 3 generators on 25 points:

(1,2,3,4,5,6,7,8,9)(10,11,14,18,15,12,19,17)(13,16,21,24,22,20,25,23);(10,12)(11,15)(13,20)(14,17)(16,22)(18,19)(21,23)(24,25);(10,13,14,21,15,22,19,25)(11,16,18,24,12,20,17,23)

Conjugacy classes & character table

252 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#11771638, #11771657, #11797555, …
maximal subgroup ofC9×#1335, C9×#1336, C9×#2170, …
maximal normal subgroup ofC9×#1335, C9×#1336, C9×#2170, …
maximal quotient ofC8×C9×D8, C8×C9×SD16, C8×C9×Q16, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(576, 879);