Finite Group Databasebeta

Q8⋊#14555485 #31778768

order17536
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productQ8⋊#14555485

Splittings

SylowC137 ⋊ Q8⋊C16

Subgroups

subgroupG/H
centerC2×C8C22⋊D137
commutatorC4×C137C2×C16
FrattiniC4×C8C2×D137
FittingC8×Q8×C137C2
socle, prime radicalC22×C137C22⋊C8
cosocleC4×C8×C137C22
hypercenterC8×Q8D137
hypocenterC137Q8⋊C16
LCSG ▷ C4×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C2×C8 ◁ C4×C8 ◁ C8×Q8

94 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 17536

Polycyclic presentation:

2^7,137|a^2=d,b^2=e,c^2=e,d^2=f,f^2=g,b^a=bc,c^a=ce,h^a=h^136,c^b=ce

Conjugacy classes & character table

2776 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 2489);