Finite Group Databasebeta

C19⋊#11925895 #37527377

order22990
automorphism?
homologyAbelianization (H1) = C2×C5 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC19⋊#11925895

Splittings

Fitting, socle, derived, HallC112×C19 ⋊ C2×C5
HallC19×#10597243 ⋊ C2
HallC11×D209 ⋊ C5
Hall#10597243 ⋊ D19
SylowC112 ⋊ C5×D19
SylowC19 ⋊ #11925895

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC112×C19C2×C5
LCSG ▷ C112×C19
UCSC1

52 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 418

Polycyclic presentation:

2,5,11^2,19|c^a=c^10,e^a=e^18,c^b=c^4,d^b=d^4

Conjugacy classes & character table

286 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22990, 27);