Finite Group Databasebeta

Q16×D21 #10621400

order672
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productQ16×D21

Splittings

FittingC3×C7×Q16 ⋊ C2
HallC3×C7 ⋊ C2×Q16
SylowC7 ⋊ D3×Q16
SylowC3 ⋊ D7×Q16

Subgroups

subgroupG/H
centerC2D4×D21
commutator, cosocleC3×C4×C7C23
FrattiniC4C22×D21
FittingC3×C7×Q16C2
socleC2×C3×C7C2×D4
prime radicalC2×D21D4
hypercenterQ16D21
hypocenterC3×C7C2×Q16
LCSG ▷ C3×C4×C7 ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C2 ◁ C4 ◁ Q16

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 336

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#13053671, #13053677, #13053688, …
maximal normal subgroup of#13053671, #13053677, #13053688, …
maximal quotient of#13056427, #13056429, #13056431, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(672, 982);