Finite Group Databasebeta

C5×#13530 #11936250

order1280
nilpotency class4
isoclinismisoclinic class of #13304
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#13530

Subgroups

subgroupG/H
center, socle, prime radicalC23×C5C2×D8
commutator, Frattini, cosocleC22×C8C23×C5
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

358 conjugacy classes of subgroups; only the 138 normal subgroups are shown.

normal subgroups only

This group has 358 conjugacy classes of subgroups — too many to draw. Only its 138 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) = 33
transitive degreeμt(G) = 1280

A minimal faithful permutation representation — 3 generators on 33 points:

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

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6518);