Finite Group Databasebeta

D149⋊#354 #34060960

order19072
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD149⋊#354

Splittings

Fitting#124×C149 ⋊ C4
SylowC149 ⋊ C2×#354

Subgroups

subgroupG/H
centerC2D149⋊#99
commutatorC2×C4×C149C22×C4
FrattiniC2×C4C22×#10597010
Fitting#124×C149C4
socleC2×C149C2×#99
prime radicalC2×D4×D149C22
cosocleC2×D596C23
hypercenter#124#10597010
hypocenterC149C2×#354
LCSG ▷ C2×C4×C149 ▷ C22×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C2 ◁ C22 ◁ C2×D4 ◁ #124

284 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 284 conjugacy classes of subgroups — too many to draw. Only its 54 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=g,d^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^105,d^b=dg,e^b=efg,h^c=h^148,e^d=eg,h^e=h^148

Conjugacy classes & character table

544 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 20779);