Finite Group Databasebeta

C4×C19×#482 #18027535

order4864
nilpotency class3
isoclinismisoclinic class of #447
automorphism?
homologyAbelianization (H1) = C23×C4×C19 · Schur multiplier (H2) = C23×C4

Aliases

direct productC4×C19×#482

Subgroups

subgroupG/H
centerC22×C4×C19C2×D4
commutatorC2×C4C23×C4×C19
Frattini, cosocleC22×C4C24×C19
socleC23×C19C22×D4
prime radicalC2×C19×#121C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4×C19 ◁ C22×C42×C19 ◁ G

972 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)(21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39);(5,6)(7,10)(8,9)(11,12)(14,17)(15,18)(19,20);(6,9)(10,12)(13,14,16,17)(15,18,19,20);(5,7,8,11)(6,10,9,12)(13,15,16,19)(14,18,17,20)

Conjugacy classes & character table

1444 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 14564);