Finite Group Databasebeta

D137⋊#413 #31797397

order17536
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

unambiguous semidirect productD137⋊#413

Splittings

SylowC137 ⋊ C2×#413

Subgroups

subgroupG/H
centerC4C2×C22⋊#10587739
commutatorC22×C137C23×C4
FrattiniC22C23×#10587739
FittingC2×#41×C137C4
socleC2×C137C22×C22⋊C4
prime radicalC2×#41×D137C2
cosocleC2×Dic137C24
hypercenterC2×#41#10587739
hypocenterC137C2×#413
LCSG ▷ C22×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×#41

756 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2192

Polycyclic presentation:

2^7,137|a^2=f,c^2=g,f^2=g,b^a=be,e^a=eg,h^a=h^100,f^b=fg,h^d=h^136,h^f=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, 21118);