Finite Group Databasebeta

D137⋊#338 #31796463

order17536
automorphism?
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD137⋊#338

Splittings

SylowC137 ⋊ C2×#338

Subgroups

subgroupG/H
centerC4C2×C4×#10587739
commutatorC4×C137C2×C42
FrattiniC2×C4C22×#10587739
FittingC2×M16×C137C4
socleC2×C137C2×#95
prime radicalC23×D137Q8
cosocleC2×C4×D137C23
hypercenterC2×M16#10587739
hypocenterC137C2×#338
LCSG ▷ C4×C137 ▷ C137
UCSC1 ◁ C4 ◁ C2×M16

372 conjugacy classes of subgroups; only the 128 normal subgroups are shown.

normal subgroups only

This group has 372 conjugacy classes of subgroups — too many to draw. Only its 128 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=f,d^2=g,e^2=g,f^2=g,b^a=bd,f^a=fg,h^a=h^100,e^b=eg,h^c=h^136,h^e=h^136

Conjugacy classes & character table

724 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 20184);