Finite Group Databasebeta

#11765917⋊D7 #30630669

order16002
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#11765917⋊D7

Splittings

derived, HallC7×C127 ⋊ C2×C9
HallC7×#11765917 ⋊ C2
HallD889 ⋊ C9
Hall#11765917 ⋊ D7
SylowC127 ⋊ C9×D7
SylowC7 ⋊ #11765917⋊C2

Subgroups

subgroupG/H
center, Frattini, hypercenterC3(C127⋊C3)⋊D7
commutator, hypocenterC7×C127C2×C9
Fitting, socle, cosocleC3×C7×C127C2×C3
prime radicalC3×D889C3
LCSG ▷ C7×C127
UCSC1 ◁ C3

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3,7,127,3|b^3=e,c^a=c^6,d^a=d^126,d^b=d^107

Conjugacy classes & character table

486 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×#11765917⋊C2, C2×#11765917⋊D7
maximal normal subgroup ofD7×#11765917⋊C2, C2×#11765917⋊D7
maximal quotient of#11765917⋊Dic7, C2×#11765917⋊D7

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16002, 26);