Finite Group Databasebeta

C4×C19×#354 #18018585

order4864
nilpotency class4
isoclinismisoclinic class of #353
automorphism?
homologyAbelianization (H1) = C2×C42×C19 · Schur multiplier (H2) = C23×C4

Aliases

direct productC4×C19×#354

Subgroups

subgroupG/H
centerC2×C4×C19#99
commutatorC2×C4C2×C42×C19
Frattini, cosocleC22×D4C23×C19
socleC22×C19C2×#99
prime radicalC22×D4×C19C23
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C19 ◁ C22×C4×C19 ◁ C2×C4×D4×C19 ◁ G

584 conjugacy classes of subgroups; only the 166 normal subgroups are shown.

normal subgroups only

This group has 584 conjugacy classes of subgroups — too many to draw. Only its 166 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) = 39
transitive degreeμt(G) = 1216

A minimal faithful permutation representation — 3 generators on 39 points:

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

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, 5614);