Finite Group Databasebeta

D7×Dic20 #11764707

order1120
automorphism?
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

direct productD7×Dic20

Splittings

HallC5×C7 ⋊ C2×Q16
SylowC7 ⋊ C2×Dic20
SylowC5 ⋊ D7×Q16

Subgroups

subgroupG/H
centerC2D7×D20
commutator, cosocleC4×C5×C7C23
FrattiniC4C2×D5×D7
FittingC5×C7×C8C22
socleC2×C5×C7C2×D4
prime radicalC2×C5×D7D4
hypercenterC8D5×D7
hypocenterC5×C7C2×Q16
LCSG ▷ C4×C5×C7 ▷ C2×C5×C7 ▷ C5×C7
UCSC1 ◁ C2 ◁ C4 ◁ C8

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 560

Conjugacy classes & character table

115 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 313);