Finite Group Databasebeta

C19×#12089 #18018048

order4864
nilpotency class4
isoclinismisoclinic class of #12087
automorphism?
homologyAbelianization (H1) = C22×C4×C19 · Schur multiplier (H2) = C4

Aliases

direct productC19×#12089

Subgroups

subgroupG/H
center, socleC22×C19#442
commutatorC2×C8C22×C4×C19
Frattini, cosocleC4×C8C23×C19
prime radicalC2×C19×D16C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ C42×C19 ◁ C19×#322 ◁ G

226 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 226 conjugacy classes of subgroups — too many to draw. Only its 90 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 43
transitive degreeμt(G) = 2432

A minimal faithful permutation representation — 3 generators on 43 points:

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

Conjugacy classes & character table

646 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 5077);