Finite Group Databasebeta

D137⋊#104 #22578398

order8768
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD137⋊#104

Splittings

Fitting#41×C137 ⋊ C4
SylowC137 ⋊ C2×#104

Subgroups

subgroupG/H
centerC4C22⋊#10587739
commutatorC4×C137C22×C4
FrattiniC4C22×#10587739
Fitting#41×C137C4
socleC2×C137C2×C22⋊C4
hypercenter#41#10587739
hypocenterC137C2×#104
LCSG ▷ C4×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C4 ◁ C2×C4 ◁ #41

170 conjugacy classes of subgroups; only the 50 normal subgroups are shown.

normal subgroups only

This group has 170 conjugacy classes of subgroups — too many to draw. Only its 50 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,137|a^2=e,d^2=f,e^2=f,b^a=bd,d^a=df,g^a=g^100,d^b=df,g^c=g^136,g^e=g^136

Conjugacy classes & character table

368 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#104×#10587739, #31796554, #31796563, …
maximal normal subgroup of#104×#10587739, #31796554, #31796563, …
maximal quotient of#31796075, #31796078, #31796080, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8768, 1544);