Finite Group Databasebeta

C3⋊((C127⋊C3)⋊D7) #30630729

order16002
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC3⋊((C127⋊C3)⋊D7)
unambiguous semidirect product(C127⋊C3)⋊D21

Splittings

Fitting, socle, derivedC3×C7×C127 ⋊ C2×C3
HallC3×C7×C127⋊C3 ⋊ C2
HallC3×C127⋊C3 ⋊ D7
HallC7×C127 ⋊ C3×D3
SylowC127 ⋊ C3×D21
SylowC7 ⋊ C3⋊(D127⋊C3)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC3×C7×C127C2×C3
LCSG ▷ C3×C7×C127
UCSC1

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3^2,7,127|c^a=c^2,d^a=d^6,e^a=e^126,e^b=e^107

Conjugacy classes & character table

477 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD21×D127⋊C3, D7×C3⋊(D127⋊C3), D3×(C127⋊C3)⋊D7, …
maximal normal subgroup ofD21×D127⋊C3, D7×C3⋊(D127⋊C3), D3×(C127⋊C3)⋊D7, …
maximal quotient ofC3⋊((C127⋊C3)⋊Dic7), C2×C3⋊((C127⋊C3)⋊D7)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16002, 86);