Finite Group Databasebeta

C22⋊#16861632 #30657863

order16448
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productC22⋊#16861632
unambiguous semidirect product(C2×#16861632)⋊C2

Splittings

FittingC22×C257 ⋊ C16
SylowC257 ⋊ C22⋊C16

Subgroups

subgroupG/H
center, FrattiniC2C2×#16861632
commutator, socleC2×C257C2×C16
FittingC22×C257C16
prime radicalC22×D257C8
cosocleC2×#14523348C22
hypercenterC22#16861632
hypocenterC257C22⋊C16
LCSG ▷ C2×C257 ▷ C257
UCSC1 ◁ C2 ◁ C22

66 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1028

Polycyclic presentation:

2^6,257|a^2=d,d^2=e,e^2=f,b^a=bc,g^a=g^249,g^d=g^64,g^e=g^241,g^f=g^256

Conjugacy classes & character table

104 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16448, 1675);