Finite Group Databasebeta

D85⋊Q8 #13062797

order1360
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD85⋊Q8

Splittings

HallC5×C17 ⋊ C2×Q8
SylowC17 ⋊ Q8×D5
SylowC5 ⋊ Q8×D17

Subgroups

subgroupG/H
center, FrattiniC2C2×D5×D17
commutator, socle, cosocleC2×C5×C17C23
FittingC4×C5×C17C22
prime radicalC2×D85C22
hypercenterC4D5×D17
hypocenterC5×C17C2×Q8
LCSG ▷ C2×C5×C17 ▷ C5×C17
UCSC1 ◁ C2 ◁ C4

76 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 680

Polycyclic presentation:

2^4,5,17|a^2=d,b^2=d,c^2=d,c^a=cd,f^a=f^16,c^b=cd,e^b=e^4

Conjugacy classes & character table

124 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1360, 165);