Finite Group Databasebeta

(C7⋊C9)⋊D73 #22604097

order9198
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C7⋊C9)⋊D73

Splittings

derived, HallC7×C73 ⋊ C2×C9
HallC7⋊C9×C73 ⋊ C2
HallD511 ⋊ C9
SylowC73 ⋊ D7⋊C9
HallC7⋊C9 ⋊ D73
SylowC7 ⋊ C9×D73

Subgroups

subgroupG/H
center, Frattini, hypercenterC3ΓL(1,𝔽8)⋊D73
commutator, hypocenterC7×C73C2×C9
Fitting, socleC3×C7×C73C2×C3
LCSG ▷ C7×C73
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3,7,73,3|b^3=e,c^a=c^6,d^a=d^72,c^b=c^2

Conjugacy classes & character table

561 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7⋊C9×D73, C2×(C7⋊C9)⋊D73
maximal normal subgroup ofD7⋊C9×D73, C2×(C7⋊C9)⋊D73
maximal quotient of(C7⋊C9)⋊Dic73, C2×(C7⋊C9)⋊D73

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(9198, 22);