Finite Group Databasebeta

D149⋊(C4⋊C16) #34061021

order19072
automorphism?
homologyAbelianization (H1) = C22×C16 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD149⋊(C4⋊C16)

Splittings

SylowC149 ⋊ C2×C4⋊C16

Subgroups

subgroupG/H
centerC2×C8C2×#10597010
commutatorC2×C149C22×C16
FrattiniC2×C4C22×#10597010
FittingC4×C8×C149C4
socleC22×C149C22×C8
prime radicalC22×D149C2×C8
cosocleC2×#11924746C23
hypercenterC4×C8#10597010
hypocenterC149C2×C4⋊C16
LCSG ▷ C2×C149 ▷ C149
UCSC1 ◁ C2×C8 ◁ C4×C8

184 conjugacy classes of subgroups; only the 94 normal subgroups are shown.

normal subgroups only

This group has 184 conjugacy classes of subgroups — too many to draw. Only its 94 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) = 9536

Polycyclic presentation:

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

Conjugacy classes & character table

1264 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 20840);