Finite Group Databasebeta

C19⋊#6923 #17987802

order4636
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC19⋊#6923

Splittings

Fitting, socle, derived, HallC19×C61 ⋊ C4
SylowC61 ⋊ Dic19
SylowC19 ⋊ #6923

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC19×C61C4
prime radical, cosocleC19×D61C2
LCSG ▷ C19×C61
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 80
transitive degreeμt(G) = 1159

Polycyclic presentation:

2^2,19,61|a^2=b,c^a=c^18,d^a=d^50,d^b=d^60

Conjugacy classes & character table

307 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#28358060, #28358061, (C19⋊C3)⋊#6923, …
maximal normal subgroup of#28358060, #28358061, (C19⋊C3)⋊#6923, …
maximal quotient ofC3×C19⋊#6923, C3⋊(C19⋊#6923), C5×C19⋊#6923, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4636, 7);