Finite Group Databasebeta

C9⋊#15691761 #43269693

order28548
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊#15691761

Splittings

Fitting, derived, HallC9×C13×C61 ⋊ C4
HallC13×C61 ⋊ Dic9
HallC9×C61 ⋊ Dic13
HallC9×C13 ⋊ #6923
SylowC61 ⋊ Dic117
SylowC13 ⋊ C9⋊#6923
SylowC9 ⋊ #15691761

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC9×C13×C61C4
FrattiniC3C3⋊#15691761
socleC3×C13×C61Dic3
prime radicalC3×C13×D61D3
cosocleC9×C13×D61C2
LCSG ▷ C9×C13×C61
UCSC1

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7137

Polycyclic presentation:

2^2,3,13,61,3|a^2=b,c^3=f^2,c^a=c^2f,d^a=d^12,e^a=e^50,f^a=f^2,e^b=e^60

Conjugacy classes & character table

1875 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(28548, 79);