Finite Group Databasebeta

D149⋊#349 #34060925

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

Aliases

unambiguous semidirect productD149⋊#349

Splittings

SylowC149 ⋊ C2×#349

Subgroups

subgroupG/H
centerC4C2×C22⋊#10597010
commutatorC22×C149C22×C8
FrattiniC2×C4C22×#10597010
FittingC2×M16×C149C4
socleC2×C149C2×C22⋊C8
prime radicalC23×D149C8
cosocleC2×#11924746C23
hypercenterC2×M16#10597010
hypocenterC149C2×#349
LCSG ▷ C22×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C4 ◁ C2×C8 ◁ C2×M16

236 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 236 conjugacy classes of subgroups — too many to draw. Only its 74 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,e^2=f,f^2=g,b^a=bd,d^a=dg,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, 20744);