Finite Group Databasebeta

Q8⋊#16861969 #45688520

order33344
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productQ8⋊#16861969

Splittings

FittingQ8×C521 ⋊ C8
SylowC521 ⋊ Q8⋊C8

Subgroups

subgroupG/H
centerC2C22⋊#16861969
commutatorC4×C521C2×C8
FrattiniC4C2×#16861969
FittingQ8×C521C8
socleC2×C521C22⋊C8
prime radicalC2×D521C22⋊C4
cosocleC4×#14523438C22
hypercenterQ8#16861969
hypocenterC521Q8⋊C8
LCSG ▷ C4×C521 ▷ C2×C521 ▷ C521
UCSC1 ◁ C2 ◁ C4 ◁ Q8

70 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4168

Polycyclic presentation:

2^6,521|a^2=d,b^2=e,c^2=e,d^2=f,b^a=bc,c^a=ce,g^a=g^315,c^b=ce,g^d=g^235,g^f=g^520

Conjugacy classes & character table

353 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(33344, 1637);