Finite Group Databasebeta

D137⋊#408 #31797370

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

Aliases

unambiguous semidirect productD137⋊#408

Splittings

SylowC137 ⋊ C2×#408

Subgroups

subgroupG/H
centerC2×C4C22×#10587739
commutator, socleC22×C137C23×C4
FrattiniC22C23×#10587739
FittingC2×#41×C137C4
prime radicalC2×#41×D137C2
cosocleC2×Dic137C24
hypercenterC2×#41#10587739
hypocenterC137C2×#408
LCSG ▷ C22×C137 ▷ C137
UCSC1 ◁ C2×C4 ◁ C2×#41

792 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4384

Polycyclic presentation:

2^7,137|a^2=f,f^2=g,b^a=be,h^a=h^100,c^b=cg,h^d=h^136,h^f=h^136

Conjugacy classes & character table

736 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 21091);