Finite Group Databasebeta

C19×#11171 #18017130

order4864
nilpotency class3
isoclinismisoclinic class of #8736
automorphism?
homologyAbelianization (H1) = C22×C4×C19 · Schur multiplier (H2) = C25

Aliases

direct productC19×#11171

Subgroups

subgroupG/H
center, socleC22×C19#381
commutatorC24C22×C4×C19
Frattini, cosocleC23×C4C23×C19
prime radicalC24×C19C22×C4
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C22×C19 ◁ C23×C4×C19 ◁ G

802 conjugacy classes of subgroups; only the 222 normal subgroups are shown.

normal subgroups only

This group has 802 conjugacy classes of subgroups — too many to draw. Only its 222 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) = 1216

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)(24,25,28,33,29,32,42,47)(26,34,36,48,37,30,40,44)(27,31,39,46,38,45,41,49)(35,50,52,55,51,43,53,54);(20,21)(22,23)(24,26,29,37)(25,30,32,34)(27,35,38,51)(28,40,42,36)(31,43,45,50)(33,48,47,44)(39,53,41,52)(46,55,49,54);(21,23)(24,27)(25,31,32,45)(26,35)(28,41)(29,38)(30,43,34,50)(33,49,47,46)(36,53)(37,51)(39,42)(40,52)(44,55,48,54)

Conjugacy classes & character table

874 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 4159);