Finite Group Databasebeta

C2×C19×#1657 #18024941

order4864
nilpotency class3
isoclinismisoclinic class of #1655
automorphism?
homologyAbelianization (H1) = C24×C19 · Schur multiplier (H2) = C25

Aliases

direct productC2×C19×#1657

Subgroups

subgroupG/H
center, socleC23×C19#120
commutator, Frattini, cosocleC42C24×C19
prime radicalC2×C19×#496C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C19 ◁ C2×C42×C19 ◁ G

1010 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 45
transitive degreeμt(G) = 2432

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)(12,17)(13,20)(14,15)(19,22)(21,23)(24,25);(5,9)(7,10)(11,12)(13,18)(14,22)(15,17)(16,19)(20,25)(21,26)(23,24);(3,4)(5,10)(6,8)(7,9)(11,13,16,21)(12,18,19,26)(14,20,15,23)(17,24,22,25)

Conjugacy classes & character table

760 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 11970);