Finite Group Databasebeta

C9×Dic45 #13108129

order1620
isoclinismisoclinic class of D45
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C1

Aliases

direct productC9×Dic45

Splittings

derivedC5×C9 ⋊ C4×C9
HallC5×C92 ⋊ C4
SylowC92 ⋊ Dic5
SylowC5 ⋊ C9×Dic9

Subgroups

subgroupG/H
center, hypercenterC2×C9D45
commutator, hypocenterC5×C9C4×C9
FrattiniC2×C32C3×D15
FittingC2×C5×C92C2
socle, prime radicalC2×C32×C5C3×D3
cosocleC2×C3×C5×C9C2×C3
LCSG ▷ C5×C9
UCSC1 ◁ C2×C9

82 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 180

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1620, 35);