Finite Group Databasebeta

C19×#11990 #18017949

order4864
nilpotency class4
isoclinismisoclinic class of #11989
automorphism?
homologyAbelianization (H1) = C22×C4×C19 · Schur multiplier (H2) = C22

Aliases

direct productC19×#11990

Subgroups

subgroupG/H
center, socleC2×C19#1551
commutatorC42C22×C4×C19
Frattini, cosocleC4×C8C23×C19
prime radicalC23×C19#100
LCSG ▷ C42 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C19 ◁ C2×C4×C19 ◁ C19×#405 ◁ G

268 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 268 conjugacy classes of subgroups — too many to draw. Only its 98 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) = 83
transitive degreeμt(G) = 1216

A minimal faithful permutation representation — 3 generators on 83 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)(20,21,24,30,25,29,43,55,26,32,44,58,46,31,59,57)(22,33,35,61,36,50,65,75,37,49,66,56,45,27,42,48)(23,38,40,67,41,28,51,52,39,54,68,80,69,53,77,79)(34,47,63,73,64,60,81,82,62,74,76,83,71,72,70,78);(20,22,26,37)(21,27,32,50)(23,34,39,62)(24,42,44,65)(25,45,46,36)(28,47,53,74)(29,49,31,33)(30,56,58,61)(35,43,66,59)(38,60,54,72)(40,70,68,81)(41,71,69,64)(48,55,75,57)(51,76,77,63)(52,78,79,82)(67,73,80,83);(20,23)(21,28,32,53)(22,34)(24,40)(25,41)(26,39)(27,47,50,74)(29,54,31,38)(30,52,58,79)(33,60,49,72)(35,63)(36,64)(37,62)(42,70)(43,51)(44,68)(45,71)(46,69)(48,73,75,83)(55,80,57,67)(56,78,61,82)(59,77)(65,81)(66,76)

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, 4978);