Finite Group Databasebeta

C3⋊(C3⋊(D71⋊C7)) #22582131

order8946
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productC3⋊(C3⋊(D71⋊C7))
unambiguous semidirect product(C71⋊C7)⋊(C3⋊D3)
unambiguous semidirect product(C3⋊D213)⋊C7

Splittings

Fitting, socle, derived, HallC32×C71 ⋊ C2×C7
HallC32×C71⋊C7 ⋊ C2
HallC3⋊D213 ⋊ C7
HallC71⋊C7 ⋊ C3⋊D3
SylowC71 ⋊ C7×C3⋊D3
SylowC32 ⋊ D71⋊C7

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32×C71C2×C7
LCSG ▷ C32×C71
UCSC1

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,7,3^2,71|c^a=c^2,d^a=d^2,e^a=e^70,e^b=e^45

Conjugacy classes & character table

87 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3⋊D3×D71⋊C7, D3×C3⋊(D71⋊C7), C2×C3⋊(C3⋊(D71⋊C7))
maximal normal subgroup ofC3⋊D3×D71⋊C7, D3×C3⋊(D71⋊C7), C2×C3⋊(C3⋊(D71⋊C7))
maximal quotient ofC3⋊(C3⋊(Dic71⋊C7)), C2×C3⋊(C3⋊(D71⋊C7))

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(8946, 21);