Finite Group Databasebeta

#22554729⋊C2 #30683057

order16884
automorphism?
homologyAbelianization (H1) = C22×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#22554729⋊C2
unambiguous semidirect product#22554733⋊C2
unambiguous semidirect product#22554737⋊C2

Splittings

derived, HallC7×C67 ⋊ C22×C9
Hall#16862451 ⋊ C22
HallD7×D67 ⋊ C9
SylowC67 ⋊ C2×D7⋊C9
SylowC7 ⋊ C2×D67⋊C9

Subgroups

subgroupG/H
center, Frattini, hypercenterC3#14584196⋊C2
commutator, hypocenterC7×C67C22×C9
Fitting, socle, cosocleC3×C7×C67C22×C3
prime radicalC3×D7×D67C3
LCSG ▷ C7×C67
UCSC1 ◁ C3

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4221

Polycyclic presentation:

2^2,3,7,67,3|c^3=f,e^a=e^66,d^b=d^6,d^c=d^2,e^c=e^29

Conjugacy classes & character table

207 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16884, 26);