Finite Group Databasebeta

C9×#709 #10623689

order720
isoclinismisoclinic class of Dic10
automorphism?
homologyAbelianization (H1) = C23×C9 · Schur multiplier (H2) = C22

Aliases

direct productC9×#709

Splittings

FittingC2×C4×C5×C9 ⋊ C2
HallC5×C9 ⋊ #41
SylowC5 ⋊ C9×#41

Subgroups

subgroupG/H
centerC4×C9C2×D5
commutatorC2×C5C23×C9
FrattiniC2×C3C22×C3×D5
FittingC2×C4×C5×C9C2
socle, cosocleC2×C3×C5C23×C3
prime radicalC3×#709C3
hypercenterC2×C4×C9D5
hypocenterC5C9×#41
LCSG ▷ C2×C5 ▷ C5
UCSC1 ◁ C4×C9 ◁ C2×C4×C9

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 22
transitive degreeμt(G) = 360

A minimal faithful permutation representation — 3 generators on 22 points:

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

Conjugacy classes & character table

234 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13083751, #13083752, C9×#3937, …
maximal normal subgroup of#13083751, #13083752, C9×#3937, …
maximal quotient ofC4×C9×Dic10, C9×#4016, C9×#4018, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(720, 158);