Finite Group Databasebeta

D137⋊#446 #31797575

order17536
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C24

Aliases

unambiguous semidirect productD137⋊#446

Splittings

SylowC137 ⋊ C2×#446

Subgroups

subgroupG/H
centerC2×C4C22×#10587739
commutator, socleC22×C137C23×C4
FrattiniC22C23×#10587739
FittingC4×Q8×C137C4
prime radicalC22×D137C22×C4
cosocleC2×Dic137C24
hypercenterC4×Q8#10587739
hypocenterC137C2×#446
LCSG ▷ C22×C137 ▷ C137
UCSC1 ◁ C2×C4 ◁ C4×Q8

400 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8768

Polycyclic presentation:

2^7,137|a^2=f,b^2=e,c^2=ef,f^2=g,b^a=be,c^a=cg,h^a=h^37,h^c=h^100,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, 21296);