Finite Group Databasebeta

C9⋊#16812340 #44528133

order31140
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊#16812340

Splittings

Fitting, derived, HallC5×C9×C173 ⋊ C4
HallC9×C173 ⋊ Dic5
HallC5×C173 ⋊ Dic9
SylowC173 ⋊ Dic45
HallC5×C9 ⋊ #10621924
SylowC9 ⋊ #16812340
SylowC5 ⋊ C9⋊#10621924

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC5×C9×C173C4
FrattiniC3C3⋊#16812340
socleC3×C5×C173Dic3
prime radicalC3×C5×D173D3
cosocleC5×C9×D173C2
LCSG ▷ C5×C9×C173
UCSC1

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7785

Polycyclic presentation:

2^2,3,5,173,3|a^2=b,c^3=f^2,c^a=c^2f,d^a=d^4,e^a=e^93,f^a=f^2,e^b=e^172

Conjugacy classes & character table

1983 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(31140, 23);