Finite Group Databasebeta

C9⋊#15688383 #41001236

order26820
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊#15688383

Splittings

Fitting, derived, HallC5×C9×C149 ⋊ C4
HallC9×C149 ⋊ AGL(1,𝔽5)
HallC5×C149 ⋊ Dic9
SylowC149 ⋊ C9⋊AGL(1,𝔽5)
HallC5×C9 ⋊ Dic149
SylowC9 ⋊ #15688383
SylowC5 ⋊ Dic1341

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC5×C9×C149C4
FrattiniC3C3⋊#15688383
socleC3×C5×C149Dic3
prime radicalC3×D5×C149D3
cosocleC9×D5×C149C2
LCSG ▷ C5×C9×C149
UCSC1

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 6705

Polycyclic presentation:

2^2,3,5,149,3|a^2=b,c^3=f^2,c^a=c^2f,d^a=d^2,e^a=e^148,f^a=f^2,d^b=d^4

Conjugacy classes & character table

2685 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(26820, 22);