Finite Group Databasebeta

C19×#12118 #18018077

order4864
nilpotency class4
isoclinismisoclinic class of #12117
automorphism?
homologyAbelianization (H1) = C23×C19 · Schur multiplier (H2) = C23

Aliases

direct productC19×#12118

Subgroups

subgroupG/H
center, socleC2×C19#1595
commutator, Frattini, cosocleC2×M16C23×C19
prime radicalC19×#2017C2
LCSG ▷ C2×M16 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C19 ◁ C2×C4×C19 ◁ C2×M16×C19 ◁ G

392 conjugacy classes of subgroups; only the 70 normal subgroups are shown.

normal subgroups only

This group has 392 conjugacy classes of subgroups — too many to draw. Only its 70 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)(22,34)(23,39)(24,43)(25,32)(26,31)(27,33)(28,36)(29,41)(30,46)(35,63)(37,71)(38,62)(40,74)(42,59)(44,52)(45,55)(47,60)(48,56)(49,58)(50,57)(51,78)(53,69)(54,70)(61,65)(64,72)(66,83)(67,81)(68,79)(73,77)(75,80)(76,82);(20,22,27,38)(21,28,33,54)(23,35,42,67)(24,44,47,69)(25,37,26,50)(29,51,56,80)(30,57,58,71)(31,53,32,52)(34,60,62,43)(36,49,70,46)(39,72,59,79)(40,75,45,78)(41,65,48,66)(55,81,74,63)(61,82,83,73)(64,76,68,77);(20,23)(21,29)(22,35)(24,45)(25,48)(26,41)(27,42)(28,51)(30,55)(31,59)(32,39)(33,56)(34,61)(36,68)(37,66)(38,67)(40,47)(43,73)(44,78)(46,76)(49,77)(50,65)(52,72)(53,79)(54,80)(57,81)(58,74)(60,82)(62,83)(63,71)(64,70)(69,75)

Conjugacy classes & character table

475 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 5106);