Finite Group Databasebeta

C19×#13687 #18019646

order4864
nilpotency class5
isoclinismisoclinic class of #13661
automorphism?
homologyAbelianization (H1) = C23×C19 · Schur multiplier (H2) = C22

Aliases

direct productC19×#13687

Subgroups

subgroupG/H
center, socleC22×C19C2×D16
commutator, Frattini, cosocleC2×C16C23×C19
prime radicalC2×C19×D16C22
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ C42×C19 ◁ C4×C8×C19 ◁ C4×C16×C19 ◁ G

212 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 212 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 55
transitive degreeμt(G) = 2432

A minimal faithful permutation representation — 3 generators on 55 points:

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

Conjugacy classes & character table

931 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 6675);