Finite Group Databasebeta

C9⋊#16809977 #44477446

order30420
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊#16809977

Splittings

Fitting, derived, HallC5×C9×C169 ⋊ C4
HallC9×C169 ⋊ Dic5
HallC5×C169 ⋊ Dic9
SylowC169 ⋊ Dic45
HallC5×C9 ⋊ #10621721
SylowC9 ⋊ #16809977
SylowC5 ⋊ C9⋊#10621721

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC5×C9×C169C4
FrattiniC3×C13C3⋊#63118
socleC3×C5×C13C3⋊#261
prime radicalC3×C5×D169D3
cosocleC5×C9×D169C2
LCSG ▷ C5×C9×C169
UCSC1

54 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 7605

Polycyclic presentation:

2^2,3,5,13,3,13|a^2=b,c^3=f^2,e^13=g^2,c^a=c^2f,d^a=d^4,e^a=e^8g,f^a=f^2,g^a=g^8,e^b=e^12g^11,g^b=g^12

Conjugacy classes & character table

1938 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(30420, 35);