Finite Group Databasebeta

C19×#12185 #18018144

order4864
nilpotency class4
isoclinismisoclinic class of #12155
automorphism?
homologyAbelianization (H1) = C23×C19 · Schur multiplier (H2) = C2×C4

Aliases

direct productC19×#12185

Subgroups

subgroupG/H
center, socleC22×C19B(4,𝔽2)
commutator, Frattini, cosocleC2×C4⋊C4C23×C19
prime radicalC19×#537C22
LCSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ C23×C19 ◁ C2×C4⋊C4×C19 ◁ G

360 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 360 conjugacy classes of subgroups — too many to draw. Only its 74 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) = 43
transitive degreeμt(G) = 1216

A minimal faithful permutation representation — 3 generators on 43 points:

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19)(21,24)(22,26)(25,27)(28,29)(30,36)(31,34)(32,40)(33,37)(35,39)(38,43)(41,42);(20,21,23,25)(22,27,26,24)(29,34)(30,32)(31,39)(35,37)(36,42)(40,43);(28,30,33,32)(31,38,39,41)(34,35)(42,43)

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, 5173);