Finite Group Databasebeta

D149⋊(Q8⋊C8) #34059980

order19072
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD149⋊(Q8⋊C8)

Splittings

SylowC149 ⋊ C2×Q8⋊C8

Subgroups

subgroupG/H
centerC2×C4C22⋊#10597010
commutatorC4×C149C22×C8
FrattiniC2×C4C22×#10597010
FittingC4×Q8×C149C4
socleC22×C149C2×C22⋊C4
prime radicalC22×D149C22⋊C4
cosocleC4×Dic149C23
hypercenterC4×Q8#10597010
hypocenterC149C2×Q8⋊C8
LCSG ▷ C4×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C2×C4 ◁ C42 ◁ C4×Q8

280 conjugacy classes of subgroups; only the 94 normal subgroups are shown.

normal subgroups only

This group has 280 conjugacy classes of subgroups — too many to draw. Only its 94 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 9536

Polycyclic presentation:

2^7,149|a^2=e,b^2=f,d^2=f,e^2=g,b^a=bd,d^a=df,h^a=h^105,d^b=df,h^c=h^148,h^e=h^148

Conjugacy classes & character table

796 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 19799);