Finite Group Databasebeta

C2×C7×Dic20 #11765149

order1120
isoclinismisoclinic class of #677
automorphism?
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC2×C7×Dic20

Splittings

HallC5×C7 ⋊ C2×Q16
SylowC5 ⋊ C2×C7×Q16

Subgroups

subgroupG/H
centerC22×C7D20
commutator, cosocleC4×C5C23×C7
FrattiniC4C22×C7×D5
FittingC2×C5×C7×C8C2
socle, prime radicalC22×C5×C7D4
hypercenterC2×C7×C8D5
hypocenterC5C2×C7×Q16
LCSG ▷ C4×C5 ▷ C2×C5 ▷ C5
UCSC1 ◁ C22×C7 ◁ C2×C4×C7 ◁ C2×C7×C8

120 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1120

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1120, 755);