Finite Group Databasebeta

D137⋊#359 #31797101

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

Aliases

unambiguous semidirect productD137⋊#359

Splittings

SylowC137 ⋊ C2×#359

Subgroups

subgroupG/H
centerC4#17984150
commutatorC8×C137C22×C4
FrattiniC8C22×#10587739
Fitting#135×C137C4
socleC2×C137C2×#102
prime radical#135×D137C2
cosocleC8×D137C23
hypercenter#135#10587739
hypocenterC137C2×#359
LCSG ▷ C8×C137 ▷ C4×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×C8 ◁ #135

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

normal subgroups only

This group has 224 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) = 4384

Polycyclic presentation:

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

Conjugacy classes & character table

520 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 20822);