Finite Group Databasebeta

D173⋊#338 #36369237

order22144
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD173⋊#338

Splittings

SylowC173 ⋊ C2×#338

Subgroups

subgroupG/H
centerC4C2×C4×#10621924
commutatorC4×C173C2×C42
FrattiniC2×C4C22×#10621924
FittingC2×M16×C173C4
socleC2×C173C2×#95
prime radicalC23×D173Q8
cosocleC2×C4×D173C23
hypercenterC2×M16#10621924
hypocenterC173C2×#338
LCSG ▷ C4×C173 ▷ C173
UCSC1 ◁ C4 ◁ C2×M16

372 conjugacy classes of subgroups; only the 128 normal subgroups are shown.

normal subgroups only

This group has 372 conjugacy classes of subgroups — too many to draw. Only its 128 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) = 2768

Polycyclic presentation:

2^7,173|a^2=e,b^2=f,d^2=g,e^2=g,f^2=g,b^a=bd,f^a=fg,h^a=h^80,e^b=eg,h^c=h^172,h^e=h^172

Conjugacy classes & character table

904 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22144, 20184);