Finite Group Databasebeta

C5×#13663 #11936383

order1280
nilpotency class5
isoclinismisoclinic class of #13661
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#13663

Subgroups

subgroupG/H
center, socleC22×C5C2×D16
commutator, Frattini, cosocleC2×C16C23×C5
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×C8 ◁ C22×C5×C16 ◁ G

298 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 298 conjugacy classes of subgroups — too many to draw. Only its 78 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) = 41
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 41 points:

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

Conjugacy classes & character table

245 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6651);