Finite Group Databasebeta

C9×#449 #10589003

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

Aliases

direct productC9×#449

Subgroups

subgroupG/H
centerC22×C9C2×D4
commutatorC2×C4C23×C9
Frattini, cosocleC2×C3×C4C23×C3
socleC22×C3C2×C3×D4
prime radicalC3×#449C3
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C9 ◁ C22×C4×C9 ◁ G

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

normal subgroups only

This group has 243 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)(10,11)(12,13)(15,19)(16,17)(20,21);(14,15)(16,19)(17,21)(18,20);(11,13)(14,16,18,17)(15,19,20,21)

Conjugacy classes & character table

171 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD9×#449, #11863816, #11864023, …
maximal subgroup ofC2×C9×#449, C9×#3002, C9×#3005, …
maximal normal subgroup ofC2×C9×#449, C9×#3002, C9×#3005, …
maximal quotient ofC9×#1597, C9×#1600, C9×#1609, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(576, 885);