Finite Group Databasebeta

D137⋊#365 #31797135

order17536
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect productD137⋊#365

Splittings

FittingM32×C137 ⋊ C4
SylowC137 ⋊ C2×#365

Subgroups

subgroupG/H
centerC2C2×#17984156
commutatorC8×C137C22×C4
FrattiniC8C22×#10587739
FittingM32×C137C4
socleC2×C137C2×#106
prime radicalC22×D137SD16
cosocleC8×D137C23
hypercenterM32#10587739
hypocenterC137C2×#365
LCSG ▷ C8×C137 ▷ C4×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ M32

152 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 152 conjugacy classes of subgroups — too many to draw. Only its 64 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) = 2192

Polycyclic presentation:

2^7,137|a^2=e,b^2=d,d^2=f,f^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^100,e^b=eg,h^c=h^136,h^e=h^136

Conjugacy classes & character table

712 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 20856);