Finite Group Databasebeta

C2×C19×#1662 #18024944

order4864
nilpotency class3
isoclinismisoclinic class of #1655
automorphism?
homologyAbelianization (H1) = C24×C19 · Schur multiplier (H2) = C25

Aliases

direct productC2×C19×#1662

Subgroups

subgroupG/H
center, socleC23×C19#120
commutator, Frattini, cosocleC42C24×C19
prime radicalC2×C19×#562C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C19 ◁ C2×C42×C19 ◁ G

958 conjugacy classes of subgroups; only the 238 normal subgroups are shown.

normal subgroups only

This group has 958 conjugacy classes of subgroups — too many to draw. Only its 238 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) = 53
transitive degreeμt(G) = 2432

A minimal faithful permutation representation — 4 generators on 53 points:

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

Conjugacy classes & character table

760 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 11973);