Finite Group Databasebeta

C5×#12877 #11935597

order1280
nilpotency class4
isoclinismisoclinic class of #11669
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#12877

Subgroups

subgroupG/H
centerC4×C5#418
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
socleC2×C5#1824
prime radicalC2×C5×#41D4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C4×C5 ◁ C22×C4×C5 ◁ C2×C5×#131 ◁ G

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

normal subgroups only

This group has 366 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) = 69
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 69 points:

(1,2,3,4,5)(6,7)(8,18,21,13)(9,23)(10,27)(11,33)(12,15)(14,25)(16,31)(17,30)(19,46,47,65)(20,50,28,60)(22,37,52,45)(24,55)(26,58)(29,43)(32,59)(34,42)(35,48,44,57)(36,53,41,62)(38,63)(39,56)(40,64)(49,67,54,69)(51,66,61,68);(6,8)(7,13)(9,19)(10,28)(11,22)(12,21)(14,35)(15,18)(16,41)(17,37)(20,32)(23,46)(24,47)(25,57)(26,49)(27,50)(29,61)(30,52)(31,62)(33,45)(34,54)(36,40)(38,66)(39,44)(42,69)(43,68)(48,56)(51,63)(53,64)(55,65)(58,67)(59,60);(6,9,11,34,12,24,30,26)(7,14,33,38,15,39,17,43)(8,19,22,54,21,47,52,49)(10,29,31,25,32,63,64,56)(13,35,45,66,18,44,37,68)(16,42,59,55,40,58,27,23)(20,51,53,48,28,61,62,57)(36,67,50,46,41,69,60,65)

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, 5865);