Finite Group Databasebeta

D149⋊#356 #34060980

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

Aliases

unambiguous semidirect productD149⋊#356

Splittings

SylowC149 ⋊ C2×#356

Subgroups

subgroupG/H
centerC2D149⋊#99
commutatorC2×C4×C149C22×C4
FrattiniC2×C4C22×#10597010
FittingC4⋊Q8×C149C4
socleC2×C149C2×#99
prime radicalC22×D149C22⋊C4
cosocleC2×Dic298C23
hypercenterC4⋊Q8#10597010
hypocenterC149C2×#356
LCSG ▷ C2×C4×C149 ▷ C22×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C2 ◁ C22 ◁ C2×Q8 ◁ C4⋊Q8

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

normal subgroups only

This group has 240 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,e^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, 20799);