Finite Group Databasebeta

(C7⋊C9)⋊D131 #30658209

order16506
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C7⋊C9)⋊D131
unambiguous semidirect productC131⋊(D7⋊C9)
unambiguous semidirect productD917⋊C9

Splittings

derived, HallC7×C131 ⋊ C2×C9
HallC7⋊C9×C131 ⋊ C2
HallD917 ⋊ C9
SylowC131 ⋊ D7⋊C9
HallC7⋊C9 ⋊ D131
SylowC7 ⋊ C9×D131

Subgroups

subgroupG/H
center, Frattini, hypercenterC3ΓL(1,𝔽8)⋊D131
commutator, hypocenterC7×C131C2×C9
Fitting, socle, cosocleC3×C7×C131C2×C3
prime radicalC3×D917C3
LCSG ▷ C7×C131
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8253

Polycyclic presentation:

2,3,7,131,3|b^3=e,c^a=c^6,d^a=d^130,c^b=c^2

Conjugacy classes & character table

996 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7⋊C9×D131, C2×(C7⋊C9)⋊D131
maximal normal subgroup ofD7⋊C9×D131, C2×(C7⋊C9)⋊D131
maximal quotient of(C7⋊C9)⋊Dic131, C2×(C7⋊C9)⋊D131

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16506, 12);