Finite Group Databasebeta

C5×Q8×D21 #13132876

order1680
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×Q8×D21

Splittings

FittingC3×C5×C7×Q8 ⋊ C2
HallC3×C5×C7 ⋊ C2×Q8
HallC5×C7 ⋊ D3×Q8
HallC3×C7 ⋊ C2×C5×Q8
HallC3×C5 ⋊ Q8×D7
SylowC7 ⋊ C5×D3×Q8
SylowC3 ⋊ C5×Q8×D7

Subgroups

subgroupG/H
centerC2×C5C22×D21
commutator, cosocleC2×C3×C7C23×C5
FrattiniC2C22×C5×D21
FittingC3×C5×C7×Q8C2
socleC2×C3×C5×C7C23
prime radicalC2×C5×D21C22
hypercenterC5×Q8D21
hypocenterC3×C7C2×C5×Q8
LCSG ▷ C2×C3×C7 ▷ C3×C7
UCSC1 ◁ C2×C5 ◁ C5×Q8

152 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 840

Conjugacy classes & character table

300 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1680, 896);