Finite Group Databasebeta

C22⋊#16862451 #30683087

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

Aliases

unambiguous semidirect productC22⋊#16862451

Splittings

derived, HallC22×C7×C67 ⋊ C9
HallC7×C67 ⋊ C22⋊C9
HallC22×C67 ⋊ C7⋊C9
SylowC67 ⋊ C22⋊(C7⋊C9)
HallC22×C7 ⋊ C67⋊C9
SylowC7 ⋊ C22⋊(C67⋊C9)
SylowC22 ⋊ #16862451

Subgroups

subgroupG/H
center, Frattini, hypercenterC3C22⋊#13064104
commutator, hypocenterC22×C7×C67C9
Fitting, socle, prime radical, cosocleC22×C3×C7×C67C3
LCSG ▷ C22×C7×C67
UCSC1 ◁ C3

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8442

Polycyclic presentation:

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

Conjugacy classes & character table

1884 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16884, 56);