Finite Group Databasebeta

C7×Dic781 #36346115

order21868
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic781
unambiguous semidirect productC11⋊(C7×Dic71)

Splittings

derived, HallC11×C71 ⋊ C4×C7
HallC7×C11×C71 ⋊ C4
HallC7×C71 ⋊ Dic11
HallC7×C11 ⋊ Dic71
SylowC71 ⋊ C7×Dic11
SylowC11 ⋊ C7×Dic71

Subgroups

subgroupG/H
center, hypercenterC2×C7D781
commutator, hypocenterC11×C71C4×C7
FrattiniC2C7×D781
Fitting, socle, prime radicalC2×C7×C11×C71C2
cosocleC2×C11×C71C2×C7
LCSG ▷ C11×C71
UCSC1 ◁ C2×C7

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 21868

Conjugacy classes & character table

5488 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(21868, 5);