Finite Group Databasebeta

C19×#11869 #18017828

order4864
nilpotency class4
isoclinismisoclinic class of #11867
automorphism?
homologyAbelianization (H1) = C22×C4×C19 · Schur multiplier (H2) = C23

Aliases

direct productC19×#11869

Subgroups

subgroupG/H
center, socleC2×C19#1519
commutatorC2×C8C22×C4×C19
Frattini, cosocleC2×M16C23×C19
prime radicalC2×#41×C19D4
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C19 ◁ C2×C4×C19 ◁ C2×C19×#131 ◁ G

364 conjugacy classes of subgroups; only the 110 normal subgroups are shown.

normal subgroups only

This group has 364 conjugacy classes of subgroups — too many to draw. Only its 110 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)(22,33,36,64)(23,39)(24,45,48,62)(25,31)(26,51)(27,32)(28,35)(29,43)(30,49,60,50)(34,65,67,81)(37,58,38,72)(40,75,68,63)(41,59,47,56)(42,57)(44,74)(46,61)(52,76)(53,70)(54,71)(55,69)(66,82)(73,77,79,78)(80,83);(20,22,27,36)(21,28,32,54)(23,40,44,68)(24,46,48,70)(25,38,26,37)(29,55,57,82)(30,58,60,72)(31,61,51,53)(33,62,64,45)(34,43,67,42)(35,49,71,50)(39,52,74,80)(41,66,47,69)(56,63,59,75)(65,73,81,79)(76,77,83,78);(20,23,25,42,27,44,26,43)(21,29,51,74,32,57,31,39)(22,34,37,40,36,67,38,68)(24,47,49,78,48,41,50,77)(28,52,61,82,54,80,53,55)(30,59,62,73,60,56,45,79)(33,63,72,81,64,75,58,65)(35,69,70,83,71,66,46,76)

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, 4857);