Finite Group Databasebeta
Cayley diagram

C22×D4×C9 #63720

order288
nilpotency class2
isoclinismisoclinic class of D4
automorphism?
homologyAbelianization (H1) = C24×C9 · Schur multiplier (H2) = C26

Aliases

direct productC22×D4×C9
unambiguous semidirect productC4⋊(C23×C9)

Subgroups

subgroupG/H
centerC23×C9C22
commutatorC2C24×C9
Frattini, cosocleC2×C3C24×C3
socleC23×C3C22×C3
prime radicalC22×C3×D4C3
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C23×C9 ◁ G

354 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 144

A minimal faithful permutation representation — 4 generators on 17 points:

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

Conjugacy classes & character table

180 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC2×#63391, C2×#63392, #10588896, …
maximal subgroup ofC2×#63391, C2×#63392, #10588896, …
maximal normal subgroup ofC2×#63391, C2×#63392, #10588896, …
maximal quotient ofC22×C9×C22⋊C4, C22×C9×C4⋊C4, C2×C4×D4×C9, …
automorphism group ofC2×C8×C19, M16×C19, SD16×C19, …
outer automorphism group ofC2×C8×C19, C2×D4×C19, C2×C8×C27, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 368);