Finite Group Databasebeta

C2×C19×#1645 #18024472

order4864
nilpotency class3
isoclinismisoclinic class of #1619
automorphism?
homologyAbelianization (H1) = C24×C19 · Schur multiplier (H2) = C25

Aliases

direct productC2×C19×#1645

Subgroups

subgroupG/H
center, socle, prime radicalC23×C19#120
commutator, Frattini, cosocleC42C24×C19
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C19 ◁ C2×C42×C19 ◁ G

978 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 4864

A minimal faithful permutation representation — 4 generators on 45 points:

(1,2)(27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45);(4,7)(5,9)(8,10)(11,12,15,18)(13,19,20,26)(14,22,23,17)(16,24,25,21);(3,4,6,8)(5,10,9,7)(14,23)(17,22)(19,26)(21,24);(11,13,15,20)(12,16,18,25)(14,24,23,21)(17,26,22,19)

Conjugacy classes & character table

988 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 11501);