Finite Group Databasebeta

C19×#13565 #18019524

order4864
nilpotency class5
isoclinismisoclinic class of #13561
automorphism?
homologyAbelianization (H1) = C22×C4×C19 · Schur multiplier (H2) = C23

Aliases

direct productC19×#13565

Subgroups

subgroupG/H
center, socleC2×C19C2×AΣL(1,𝔽16)
commutatorC2×D4C22×C4×C19
Frattini, cosocle#124C23×C19
prime radicalC2×C19×H(5,𝔽2)C4
LCSG ▷ C2×D4 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C19 ◁ C23×C19 ◁ C22×C4×C19 ◁ C2×C19×#124 ◁ G

496 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 496 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 608

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

Conjugacy classes & character table

532 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(4864, 6553);