Finite Group Databasebeta

C19×#20340 #18026299

order4864
nilpotency class2
isoclinismisoclinic class of #20338
automorphism?
homologyAbelianization (H1) = C22×C42×C19 · Schur multiplier (H2) = C27

Aliases

direct productC19×#20340

Subgroups

subgroupG/H
centerC4×C19C22×C42
commutatorC4C22×C42×C19
Frattini, cosocleC22×C4C24×C19
socleC2×C19C22×#95
prime radicalC22×#41×C19C22
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C4×C19 ◁ G

1956 conjugacy classes of subgroups; only the 1114 normal subgroups are shown.

normal subgroups only

This group has 1956 conjugacy classes of subgroups — too many to draw. Only its 1114 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) = 51
transitive degreeμt(G) = 608

A minimal faithful permutation representation — 4 generators on 51 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)(20,21,24,29,26,30,25,39)(22,31,34,27,35,41,33,42)(23,28,37,44,36,43,38,49)(32,45,48,40,46,51,47,50);(20,22,25,34,26,35,24,33)(21,27,29,31,30,42,39,41)(23,32,38,48,36,46,37,47)(28,40,44,45,43,50,49,51);(20,23)(21,28)(22,32)(24,37)(25,38)(26,36)(27,40)(29,44)(30,43)(31,45)(33,47)(34,48)(35,46)(39,49)(41,51)(42,50);(23,36)(28,43)(32,46)(37,38)(40,50)(44,49)(45,51)(47,48)

Conjugacy classes & character table

1558 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 13328);