Finite Group Databasebeta

#1142⋊C9 #11758848

order1008
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#1142⋊C9

Splittings

Hall#1142 ⋊ C9
HallC7⋊C9 ⋊ SD16
SylowC7 ⋊ C9×SD16

Subgroups

subgroupG/H
centerC2×C3(C22⋊D7)⋊C3
commutatorC4×C7C22×C9
FrattiniC3×C4C2×AGL(1,𝔽7)
Fitting, prime radicalC3×C7×D4C2×C3
socleC2×C3×C7C3×D4
cosocleC3×C4×C7C22×C3
hypercenterC3×D4AGL(1,𝔽7)
hypocenterC7C9×SD16
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C3 ◁ C3×C4 ◁ C3×D4

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 504

Polycyclic presentation:

2^2,3,2,3,2,7|a^2=f,c^3=e,d^2=f,b^a=bd,d^a=df,g^a=g^6,d^b=df,g^c=g^2

Conjugacy classes & character table

78 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1008, 19);