Finite Group Databasebeta

D149⋊#350 #34060931

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

Aliases

unambiguous semidirect productD149⋊#350

Splittings

SylowC149 ⋊ C2×#350

Subgroups

subgroupG/H
centerC8C22⋊#10597010
commutatorC4×C149C22×C8
FrattiniC2×C4C22×#10597010
Fitting#131×C149C4
socleC2×C149C2×C22⋊C8
prime radical#41×D149C4
cosocleC2×#11924746C23
hypercenter#131#10597010
hypocenterC149C2×#350
LCSG ▷ C4×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C8 ◁ C2×C8 ◁ #131

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

normal subgroups only

This group has 224 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) = 4768

Polycyclic presentation:

2^7,149|a^2=e,d^2=g,e^2=f,f^2=g,b^a=bd,h^a=h^105,d^b=dg,e^b=eg,h^c=h^148,h^e=h^148

Conjugacy classes & character table

796 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 20750);