Finite Group Databasebeta

C5×#12878 #11935598

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

Aliases

direct productC5×#12878

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

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

normal subgroups only

This group has 362 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)(6,7,11,18,13,16,12,35)(8,19,22,40,23,14,34,39)(9,24,27,56,25,57,36,46)(10,28,31,44,33,60,32,17)(15,30,41,58,43,64,42,26)(20,48,51,69,49,65,52,67)(21,53,55,45,29,61,63,38)(37,54,66,50,47,62,68,59);(6,8)(7,14)(9,20)(10,29)(11,34)(12,22)(13,23)(15,37)(16,19)(17,45)(18,40)(21,33)(24,48)(25,49)(26,59)(27,52)(28,53)(30,62)(31,55)(32,63)(35,39)(36,51)(38,44)(41,68)(42,66)(43,47)(46,69)(50,58)(54,64)(56,67)(57,65)(60,61);(6,9,12,36,13,25,11,27)(7,15,35,42,16,43,18,41)(8,20,22,51,23,49,34,52)(10,30,32,26,33,64,31,58)(14,37,39,66,19,47,40,68)(17,46,60,57,44,56,28,24)(21,54,55,50,29,62,63,59)(38,67,53,48,45,69,61,65)

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, 5866);