Finite Group Databasebeta

C4×C19×#551 #18040121

order4864
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C24×C4×C19 · Schur multiplier (H2) = C28

Aliases

direct productC4×C19×#551

Subgroups

subgroupG/H
centerC22×C4×C19C24
commutatorC22C24×C4×C19
Frattini, cosocleC23C25×C19
socleC23×C19C25
prime radicalC2×C19×#120C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C4×C19 ◁ G

2732 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 1216

A minimal faithful permutation representation — 5 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);(5,6,8,12)(7,13,14,10)(9,11,16,18)(15,19,20,17);(5,7,9,15)(6,10,11,17)(8,14,16,20)(12,13,18,19);(6,11)(10,17)(12,18)(13,19);(7,14)(10,13)(15,20)(17,19)

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, 27150);