Finite Group Databasebeta

D149⋊#331 #34060185

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

Aliases

unambiguous semidirect productD149⋊#331

Splittings

SylowC149 ⋊ C2×#331

Subgroups

subgroupG/H
centerC22C2×C22⋊#10597010
commutatorC2×C4×C149C22×C4
FrattiniC2×C4C22×#10597010
Fitting#127×C149C4
socleC22×C149C2×C22⋊C4
prime radical#127×D149C2
cosocleC4×Dic149C23
hypercenter#127#10597010
hypocenterC149C2×#331
LCSG ▷ C2×C4×C149 ▷ C22×C149 ▷ C149
UCSC1 ◁ C22 ◁ C42 ◁ #127

360 conjugacy classes of subgroups; only the 84 normal subgroups are shown.

normal subgroups only

This group has 360 conjugacy classes of subgroups — too many to draw. Only its 84 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) = 4768

Polycyclic presentation:

2^7,149|a^2=e,d^2=g,e^2=fg,b^a=bd,d^a=df,h^a=h^105,d^b=dg,e^b=efg,h^c=h^148,h^e=h^148

Conjugacy classes & character table

556 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 20004);