Finite Group Databasebeta

D137⋊#444 #31797560

order17536
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD137⋊#444

Splittings

Fitting#135×C137 ⋊ C4
SylowC137 ⋊ C2×#444

Subgroups

subgroupG/H
centerC4D4×#10587739
commutatorC4×C137C23×C4
FrattiniC4C23×#10587739
Fitting#135×C137C4
socleC2×C137C2×C4×D4
prime radical#135×D137C2
cosocleC4×D137C24
hypercenter#135#10587739
hypocenterC137C2×#444
LCSG ▷ C4×C137 ▷ C2×C137 ▷ C137
UCSC1 ◁ C4 ◁ C2×C4 ◁ #135

464 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2192

Polycyclic presentation:

2^7,137|a^2=f,c^2=f,e^2=g,f^2=g,b^a=be,c^a=cg,e^a=eg,h^a=h^37,e^b=eg,h^c=h^100,h^d=h^136,h^f=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, 21281);