Finite Group Databasebeta

C5×#13280 #11936000

order1280
nilpotency class4
isoclinismisoclinic class of #11651
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#13280

Subgroups

subgroupG/H
center, socleC22×C5C2×#102
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
prime radicalC23×C5C2×SD16
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

334 conjugacy classes of subgroups; only the 150 normal subgroups are shown.

normal subgroups only

This group has 334 conjugacy classes of subgroups — too many to draw. Only its 150 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) = 45
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 45 points:

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

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6268);