Finite Group Databasebeta

D137⋊#424 #31797429

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

Aliases

unambiguous semidirect productD137⋊#424

Splittings

SylowC137 ⋊ C2×#424

Subgroups

subgroupG/H
centerC2×C4C22×#10587739
commutator, socleC22×C137C23×C4
FrattiniC22C23×#10587739
Fitting#117×C137C4
prime radicalC23×D137C2×C4
cosocleC2×Dic137C24
hypercenter#117#10587739
hypocenterC137C2×#424
LCSG ▷ C22×C137 ▷ C137
UCSC1 ◁ C2×C4 ◁ #117

512 conjugacy classes of subgroups; only the 210 normal subgroups are shown.

normal subgroups only

This group has 512 conjugacy classes of subgroups — too many to draw. Only its 210 normal subgroups are shown.

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

Full subgroup data →

Presentation

transitive degreeμt(G) = 4384

Polycyclic presentation:

2^7,137|a^2=f,b^2=e,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, 21150);