Finite Group Databasebeta

D137⋊#368 #31797143

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

Aliases

unambiguous semidirect productD137⋊#368

Splittings

SylowC137 ⋊ C2×#368

Subgroups

subgroupG/H
centerC4#17984157
commutatorC8×C137C22×C4
FrattiniC8C22×#10587739
FittingC2×C16×C137C4
socleC2×C137C2×#107
prime radicalC22×D137Q16
cosocleC8×D137C23
hypercenterC2×C16#10587739
hypocenterC137C2×#368
LCSG ▷ C8×C137 ▷ C4×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C4 ◁ C2×C4 ◁ C2×C8 ◁ C2×C16

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

normal subgroups only

This group has 144 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,b^2=df,d^2=fg,e^2=g,f^2=g,b^a=bd,d^a=df,f^a=fg,h^a=h^100,h^c=h^136,h^e=h^136

Conjugacy classes & character table

1132 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 20864);