Finite Group Databasebeta

C19×#12215 #18018174

order4864
nilpotency class4
isoclinismisoclinic class of #12090
automorphism?
homologyAbelianization (H1) = C23×C19 · Schur multiplier (H2) = C2×C4

Aliases

direct productC19×#12215

Subgroups

subgroupG/H
center, socleC22×C19B(4,𝔽2)
commutator, Frattini, cosocleC2×C22⋊C4C23×C19
prime radicalC24×C19C2×D4
LCSG ▷ C2×C22⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ C23×C19 ◁ C2×C22⋊C4×C19 ◁ G

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

normal subgroups only

This group has 400 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) = 51
transitive degreeμt(G) = 1216

A minimal faithful permutation representation — 3 generators on 51 points:

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

Conjugacy classes & character table

589 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 5203);