Finite Group Databasebeta

C5×#8476 #11931196

order1280
nilpotency class3
isoclinismisoclinic class of #8465
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#8476

Subgroups

subgroupG/H
center, socleC22×C5#379
commutatorC22×C4C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC5×#3512C2
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

678 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 678 conjugacy classes of subgroups — too many to draw. Only its 142 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)(6,7,9,13,10,11,17,19)(8,14,15,21,16,12,18,20)(22,23)(24,32)(25,36,38,29)(26,39)(27,31)(28,34)(30,42)(33,48,50,53)(35,46)(37,45,41,47)(40,44)(43,49,52,51);(7,11)(9,17)(12,14)(15,18)(22,24)(23,28)(25,33)(26,40)(27,35)(29,43)(30,46)(31,44)(32,39)(34,42)(36,52)(37,51)(38,50)(41,49)(45,48)(47,53);(6,8,10,16)(7,12,11,14)(9,18,17,15)(13,21,19,20)(22,25,27,38)(23,29,31,36)(24,33,35,50)(26,41,42,37)(28,43,44,52)(30,47,39,45)(32,48,46,53)(34,51,40,49)

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, 1464);