Finite Group Databasebeta

D137⋊#361 #31797113

order17536
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD137⋊#361

Splittings

SylowC137 ⋊ C2×#361

Subgroups

subgroupG/H
centerC2C2×#17984150
commutatorC8×C137C22×C4
FrattiniC8C22×#10587739
FittingC2×D8×C137C4
socleC2×C137C2×#102
prime radicalC2×D8×D137C2
cosocleC8×D137C23
hypercenterC2×D8#10587739
hypocenterC137C2×#361
LCSG ▷ C8×C137 ▷ C4×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C2 ◁ C2×C4 ◁ C2×C8 ◁ C2×D8

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

normal subgroups only

This group has 256 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,d^2=f,e^2=g,f^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^100,d^b=dfg,e^b=eg,f^b=fg,h^c=h^136,h^e=h^136

Conjugacy classes & character table

508 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 20834);