Finite Group Databasebeta

(C2×#11764049)⋊Q8 #31797940

order17536
automorphism?
homologyAbelianization (H1) = C22×C8 · Schur multiplier (H2) = C22×C4

Aliases

unambiguous semidirect product(C2×#11764049)⋊Q8

Splittings

FittingC2×Q8×C137 ⋊ C8
SylowC137 ⋊ #1984

Subgroups

subgroupG/H
center, FrattiniC22C22×#11764049
commutator, socleC22×C137C22×C8
FittingC2×Q8×C137C8
prime radicalC22×D137C22×C4
cosocleC22×#10587739C23
hypercenterC2×Q8#11764049
hypocenterC137#1984
LCSG ▷ C22×C137 ▷ C137
UCSC1 ◁ C22 ◁ C2×Q8

292 conjugacy classes of subgroups; only the 91 normal subgroups are shown.

normal subgroups only

This group has 292 conjugacy classes of subgroups — too many to draw. Only its 91 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) = 2192

Polycyclic presentation:

2^7,137|a^2=f,b^2=def,c^2=e,f^2=g,b^a=bd,c^a=ce,h^a=h^10,h^b=h^127,h^f=h^100,h^g=h^136

Conjugacy classes & character table

226 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(17536, 21661);