Finite Group Databasebeta

D137⋊#352 #31797038

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

Aliases

unambiguous semidirect productD137⋊#352

Splittings

Fitting#123×C137 ⋊ C4
SylowC137 ⋊ C2×#352

Subgroups

subgroupG/H
centerC2D137⋊#99
commutatorC23×C137C22×C4
FrattiniC23C22×#10587739
Fitting#123×C137C4
socleC2×C137C2×#99
prime radicalC2×D4×D137C22
cosocleC2×C22⋊D137C23
hypercenter#123#10587739
hypocenterC137C2×#352
LCSG ▷ C23×C137 ▷ C22×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C2 ◁ C22 ◁ C2×D4 ◁ #123

278 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 278 conjugacy classes of subgroups — too many to draw. Only its 54 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=g,b^a=bd,d^a=df,f^a=fg,h^a=h^100,e^b=ef,h^c=h^136,e^d=eg,h^e=h^136

Conjugacy classes & character table

502 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 20759);