Finite Group Databasebeta

(C22⋊D139)⋊C16 #31808221

order17792
automorphism?
homologyAbelianization (H1) = C22×C16 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product(C22⋊D139)⋊C16

Splittings

FittingC22⋊C16×C139 ⋊ C2
SylowC139 ⋊ D4×C16

Subgroups

subgroupG/H
center, FrattiniC2×C8C22×D139
commutatorC2×C139C22×C16
FittingC22⋊C16×C139C2
socleC22×C139C22×C8
prime radicalC2×C22⋊D139C8
cosocleC2×C8×C139C23
hypercenterC22⋊C16D139
hypocenterC139D4×C16
LCSG ▷ C2×C139 ▷ C139
UCSC1 ◁ C2×C8 ◁ C22⋊C16

174 conjugacy classes of subgroups; only the 79 normal subgroups are shown.

normal subgroups only

This group has 174 conjugacy classes of subgroups — too many to draw. Only its 79 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) = 8896

Polycyclic presentation:

2^7,139|a^2=e,c^2=e,e^2=f,f^2=g,b^a=bd,h^c=h^138

Conjugacy classes & character table

2840 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17792, 6327);