Finite Group Databasebeta

C7×Dic43⋊C7 #22554582

order8428
automorphism?
homologyAbelianization (H1) = C4×C72 · Schur multiplier (H2) = C7

Aliases

direct productC7×Dic43⋊C7
unambiguous semidirect productDic43⋊C72
unambiguous semidirect product(C43⋊C7)⋊(C4×C7)
unambiguous semidirect product(C7×Dic43)⋊C7

Splittings

derived, SylowC43 ⋊ C4×C72
HallC7×C43⋊C7 ⋊ C4
HallDic43 ⋊ C72

Subgroups

subgroupG/H
center, hypercenterC2×C7D43⋊C7
commutator, hypocenterC43C4×C72
FrattiniC2C7×D43⋊C7
Fitting, socleC2×C7×C43C2×C7
LCSG ▷ C43
UCSC1 ◁ C2×C7

60 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

238 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7×((C43⋊C3)⋊C4)⋊C7, #16813401⋊C7, #16813400⋊C7, …
maximal normal subgroup ofC7×((C43⋊C3)⋊C4)⋊C7, #16813401⋊C7, #16813400⋊C7, …
maximal quotient ofC3×C7×Dic43⋊C7, C7×C3⋊(Dic43⋊C7)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8428, 15);