Finite Group Databasebeta

C7⋊(Dic43⋊C7) #22554583

order8428
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC7⋊(Dic43⋊C7)
unambiguous semidirect product(C43⋊C7)⋊Dic7
unambiguous semidirect productDic301⋊C7

Splittings

derivedC7×C43 ⋊ C4×C7
HallC7×C43⋊C7 ⋊ C4
SylowC43 ⋊ C7×Dic7

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C7⋊(D43⋊C7)
commutator, hypocenterC7×C43C4×C7
Fitting, socleC2×C7×C43C2×C7
LCSG ▷ C7×C43
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,7^2,43,2|a^2=e,c^a=c^6,d^a=d^42,d^b=d^41

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#16813407⋊C7, #16813406⋊C7, ΓL(1,𝔽8)⋊(Dic43⋊C7), …
maximal normal subgroup of#16813407⋊C7, #16813406⋊C7, ΓL(1,𝔽8)⋊(Dic43⋊C7), …
maximal quotient ofC3×C7⋊(Dic43⋊C7), C3⋊(C7⋊(Dic43⋊C7))

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8428, 16);