Finite Group Databasebeta

(C2×#10587739)⋊Q8 #22578356

order8768
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

unambiguous semidirect product(C2×#10587739)⋊Q8

Splittings

FittingC2×Q8×C137 ⋊ C4
SylowC137 ⋊ #391

Subgroups

subgroupG/H
center, FrattiniC22C22×#10587739
commutator, socleC22×C137C22×C4
FittingC2×Q8×C137C4
hypercenterC2×Q8#10587739
hypocenterC137#391
LCSG ▷ C22×C137 ▷ C137
UCSC1 ◁ C22 ◁ C2×Q8

186 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 186 conjugacy classes of subgroups — too many to draw. Only its 64 normal subgroups are shown.

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

Full subgroup data →

Presentation

Polycyclic presentation:

2^6,137|a^2=f,b^2=def,c^2=e,b^a=bd,c^a=ce,g^a=g^37,g^b=g^100,g^f=g^136

Conjugacy classes & character table

368 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#31795885, #31796636, #31796745, …
maximal normal subgroup of#31795885, #31796636, #31796745, …
maximal quotient of#31795966, #31795968, #31795974, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8768, 1502);