Finite Group Databasebeta

C7×Dic71⋊C7 #28358155

order13916
automorphism?
homologyAbelianization (H1) = C4×C72 · Schur multiplier (H2) = C7

Aliases

direct productC7×Dic71⋊C7
unambiguous semidirect productDic71⋊C72
unambiguous semidirect product(C71⋊C7)⋊(C4×C7)
unambiguous semidirect product(C7×Dic71)⋊C7

Splittings

derived, SylowC71 ⋊ C4×C72
HallC7×C71⋊C7 ⋊ C4
HallDic71 ⋊ C72

Subgroups

subgroupG/H
center, hypercenterC2×C7D71⋊C7
commutator, hypocenterC71C4×C72
FrattiniC2C7×D71⋊C7
Fitting, socleC2×C7×C71C2×C7
prime radicalC2×C7×C71⋊C7C2
cosocleC2×C71C2×C72
LCSG ▷ C71
UCSC1 ◁ C2×C7

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1988

Conjugacy classes & character table

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

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(13916, 15);