Finite Group Databasebeta

D4⋊#14558711 #34042646

order19072
automorphism?
homologyAbelianization (H1) = C2×C16 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD4⋊#14558711

Splittings

SylowC149 ⋊ D4⋊C16

Subgroups

subgroupG/H
centerC2×C8C22⋊D149
commutatorC4×C149C2×C16
FrattiniC4×C8C2×D149
FittingC8×D4×C149C2
socleC22×C149C22⋊C8
prime radicalC2×D4×C149C8
cosocleC4×C8×C149C22
hypercenterC8×D4D149
hypocenterC149D4⋊C16
LCSG ▷ C4×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C2×C8 ◁ C4×C8 ◁ C8×D4

110 conjugacy classes of subgroups; only the 53 normal subgroups are shown.

normal subgroups only

This group has 110 conjugacy classes of subgroups — too many to draw. Only its 53 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=d,c^2=e,d^2=f,f^2=g,b^a=bc,c^a=ce,h^a=h^148,c^b=ce

Conjugacy classes & character table

3016 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 2465);