Finite Group Databasebeta

#14581887⋊C7 #32916328

order18669
automorphism?
homologyAbelianization (H1) = C3×C7 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#14581887⋊C7

Splittings

Fitting, socle, derivedC7×C127 ⋊ C3×C7
HallC7×C127⋊C7 ⋊ C3
SylowC127 ⋊ C7×ΓL(1,𝔽8)

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C127C3×C7
LCSG ▷ C7×C127
UCSC1

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 889

Polycyclic presentation:

3,7^2,127|c^a=c^2,d^a=d^19,d^b=d^4

Conjugacy classes & character table

77 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#19128633⋊C7, #19128629⋊C7, #19128625⋊C7, …
maximal normal subgroup of#19128633⋊C7, #19128629⋊C7, #19128625⋊C7, …
maximal quotient ofC2×#14581887⋊C7

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18669, 11);