Finite Group Databasebeta

D149⋊#361 #34061015

order19072
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD149⋊#361

Splittings

SylowC149 ⋊ C2×#361

Subgroups

subgroupG/H
centerC2C2×#18011973
commutatorC8×C149C22×C4
FrattiniC8C22×#10597010
FittingC2×D8×C149C4
socleC2×C149C2×#102
prime radicalC2×D8×D149C2
cosocleC8×D149C23
hypercenterC2×D8#10597010
hypocenterC149C2×#361
LCSG ▷ C8×C149 ▷ C4×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ C2×D8

256 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 256 conjugacy classes of subgroups — too many to draw. Only its 64 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,d^2=f,e^2=g,f^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^105,d^b=dfg,e^b=eg,f^b=fg,h^c=h^148,h^e=h^148

Conjugacy classes & character table

550 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 20834);