Finite Group Databasebeta

C5×#9005 #11931725

order1280
nilpotency class3
isoclinismisoclinic class of #1655
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#9005

Subgroups

subgroupG/H
centerC2×C4×C5#120
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
socleC22×C5#386
prime radicalC5×#532C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ G

416 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 416 conjugacy classes of subgroups — too many to draw. Only its 118 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) = 53
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 53 points:

(1,2,3,4,5)(6,7,10,15,11,13,9,14)(8,16,19,12,18,21,17,20)(22,23)(24,33,36,44)(25,37)(26,31)(27,41)(28,32)(29,35,45,40)(30,38)(34,49,52,43)(39,46)(42,47)(48,50,53,51);(6,8)(7,12)(9,19)(10,17)(11,18)(13,20)(14,21)(15,16)(22,24,26,40,28,36,27,35)(23,29,31,44,32,45,41,33)(25,34,38,51,39,52,42,50)(30,43,46,53,47,49,37,48);(7,13)(9,10)(12,20)(17,19)(22,25)(23,30)(24,34)(26,38)(27,42)(28,39)(29,43)(31,46)(32,47)(33,48)(35,50)(36,52)(37,41)(40,51)(44,53)(45,49)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1993);