Finite Group Databasebeta

C4×C19×#456 #18027431

order4864
nilpotency class3
isoclinismisoclinic class of #453
automorphism?
homologyAbelianization (H1) = C23×C4×C19 · Schur multiplier (H2) = C26

Aliases

direct productC4×C19×#456

Subgroups

subgroupG/H
centerC2×C4×C19#120
commutatorC2×C4C23×C4×C19
Frattini, cosocleC22×C4C24×C19
socleC22×C19C2×#120
prime radicalC2×C19×2−1+4C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C19 ◁ C2×C42×C19 ◁ G

1358 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

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);(5,6,10,8)(7,13,16,20)(9,17,19,12)(11,18,14,15);(5,7)(6,11)(8,14)(9,18)(10,16)(12,20)(13,17)(15,19);(5,8,10,6)(7,14,16,11)(9,12,19,17)(13,18,20,15)

Conjugacy classes & character table

1216 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 14460);