Finite Group Databasebeta

C19×#20558 #18026517

order4864
nilpotency class2
automorphism?
homologyAbelianization (H1) = C22×C42×C19 · Schur multiplier (H2) = C25

Aliases

direct productC19×#20558

Subgroups

subgroupG/H
centerC22×C4×C19C24
commutatorC22C22×C42×C19
Frattini, cosocleC22×C4C24×C19
socleC23×C19C23×C4
prime radicalC22×D4×C19C2×C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4×C19 ◁ G

1146 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 2432

A minimal faithful permutation representation — 4 generators on 39 points:

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

Conjugacy classes & character table

1900 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 13546);