Finite Group Databasebeta

Q8⋊(C251⋊C16) #44548344

order32128
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productQ8⋊(C251⋊C16)

Splittings

SylowC251 ⋊ Q8⋊C16

Subgroups

subgroupG/H
centerC2×C8C22⋊D251
commutatorC4×C251C2×C16
FrattiniC4×C8C2×D251
FittingC8×Q8×C251C2
socle, prime radicalC22×C251C22⋊C8
cosocleC4×C8×C251C22
hypercenterC8×Q8D251
hypocenterC251Q8⋊C16
LCSG ▷ C4×C251 ▷ C2×C251 ▷ C251
UCSC1 ◁ C2×C8 ◁ C4×C8 ◁ C8×Q8

94 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 32128

Polycyclic presentation:

2^7,251|a^2=d,b^2=e,c^2=e,d^2=f,f^2=g,b^a=bc,c^a=ce,h^a=h^250,c^b=ce

Conjugacy classes & character table

5056 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32128, 2489);