Finite Group Databasebeta

C9×#3944 #13083773

order1440
isoclinismisoclinic class of Dic10
automorphism?
homologyAbelianization (H1) = C2×C8×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×#3944

Splittings

HallC5×C9 ⋊ M32
SylowC5 ⋊ C9×M32

Subgroups

subgroupG/H
centerC8×C9C2×D5
commutatorC2×C5C2×C8×C9
FrattiniC3×C8C2×C3×D5
FittingC2×C5×C8×C9C2
socleC2×C3×C5C2×C3×C8
prime radicalC22×C3×C5C3×C8
cosocleC3×C5×C8C22×C3
hypercenterC2×C8×C9D5
hypocenterC5C9×M32
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C8×C9 ◁ C2×C8×C9

78 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 30
transitive degreeμt(G) = 720

A minimal faithful permutation representation — 2 generators on 30 points:

(1,2,3,4,5,6,7,8,9)(10,11,13,14,12)(16,20)(21,26)(22,27)(28,30);(11,12)(13,14)(15,16,17,21,18,22,23,28,19,20,24,26,25,27,29,30)

Conjugacy classes & character table

468 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1440, 90);