Finite Group Databasebeta

C19×#7218 #18013177

order4864
nilpotency class4
isoclinismisoclinic class of #7217
automorphism?
homologyAbelianization (H1) = C42×C19 · Schur multiplier (H2) = C2×C4

Aliases

direct productC19×#7218

Subgroups

subgroupG/H
center, socleC22×C19#340
commutatorC2×C8C42×C19
Frattini, cosocleC2×C4×C8C22×C19
prime radicalC23×C19#102
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ C2×C42×C19 ◁ C2×C4×C8×C19 ◁ G

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

normal subgroups only

This group has 202 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) = 67
transitive degreeμt(G) = 1216

A minimal faithful permutation representation — 2 generators on 67 points:

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

Conjugacy classes & character table

988 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 206);