Finite Group Databasebeta

C19⋊#11925892 #37527375

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

Aliases

unambiguous semidirect productC19⋊#11925892

Splittings

Fitting, socle, derived, HallC112×C19 ⋊ C2×C5
HallC19×#10597243 ⋊ C2
HallC11⋊D209 ⋊ C5
Hall#10597243 ⋊ D19
SylowC112 ⋊ C5×D19
SylowC19 ⋊ #11925892

Subgroups

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

112 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 41
transitive degreeμt(G) = 2299

A minimal faithful permutation representation — 3 generators on 41 points:

(2,3)(4,5)(6,7)(8,9)(10,11)(12,13)(14,15)(16,17)(18,19)(21,25,26,24,29,22,23,30,27,28)(32,36,37,35,40,33,34,41,38,39);(1,2,4,6,8,10,12,14,16,18,19,17,15,13,11,9,7,5,3)(31,32,35,40,34,37,41,36,39,38,33);(20,21,24,29,23,26,30,25,28,27,22)

Polycyclic presentation:

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

Conjugacy classes & character table

283 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(22990, 25);