Finite Group Databasebeta

D149⋊#338 #34060365

order19072
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD149⋊#338

Splittings

SylowC149 ⋊ C2×#338

Subgroups

subgroupG/H
centerC4C2×C4×#10597010
commutatorC4×C149C2×C42
FrattiniC2×C4C22×#10597010
FittingC2×M16×C149C4
socleC2×C149C2×#95
prime radicalC23×D149Q8
cosocleC2×C4×D149C23
hypercenterC2×M16#10597010
hypocenterC149C2×#338
LCSG ▷ C4×C149 ▷ C149
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) = 2384

Polycyclic presentation:

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

Conjugacy classes & character table

784 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 20184);