Finite Group Databasebeta
Cayley diagram

D8×D9 #63472

order288
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

direct productD8×D9

Splittings

FittingC9×D8 ⋊ C2
SylowC9 ⋊ C2×D8

Subgroups

subgroupG/H
centerC2D4×D9
commutator, cosocleC4×C9C23
FrattiniC3×C4C22×D3
FittingC9×D8C2
socleC2×C3D3×D4
hypercenterD8D9
hypocenterC9C2×D8
LCSG ▷ C4×C9 ▷ C2×C9 ▷ C9
UCSC1 ◁ C2 ◁ C4 ◁ D8

114 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 72

A minimal faithful permutation representation — 3 generators on 17 points:

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

Conjugacy classes & character table

42 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD9×D16, #10588591, D9×SD32, …
maximal normal subgroup ofD9×D16, #10588591, D9×SD32, …
maximal quotient of#10588436, #10588439, #10588440, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 120);