Finite Group Databasebeta

C2×C71×D77 #36346141

order21868
automorphism?
homologyAbelianization (H1) = C22×C71 · Schur multiplier (H2) = C2

Aliases

direct productC2×C71×D77
unambiguous semidirect product(C2×C7)⋊(D11×C71)
unambiguous semidirect product(C2×C11)⋊(D7×C71)

Splittings

Fitting, socleC2×C7×C11×C71 ⋊ C2
derived, HallC7×C11 ⋊ C22×C71
HallC7×C11×C71 ⋊ C22
HallC11×C71 ⋊ C2×D7
HallC7×C71 ⋊ C2×D11
SylowC11 ⋊ C2×D7×C71
SylowC7 ⋊ C2×D11×C71

Subgroups

subgroupG/H
center, hypercenterC2×C71D77
commutator, cosocle, hypocenterC7×C11C22×C71
FrattiniC1G
Fitting, socleC2×C7×C11×C71C2
LCSG ▷ C7×C11
UCSC1 ◁ C2×C71

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 10934

Conjugacy classes & character table

5680 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21868, 31);