Finite Group Databasebeta

C5×#8515 #11931235

order1280
nilpotency class3
isoclinismisoclinic class of #8510
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#8515

Subgroups

subgroupG/H
center, socleC22×C5#379
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC5×#3567C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

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

normal subgroups only

This group has 644 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)(6,7,10,17,13,8,19,23)(9,25,28,61,30,51,47,60)(11,33,31,43,36,59,48,54)(12,18,32,15,37,24,49,21)(14,38,40,65,20,50,39,27)(16,44,46,56,22,55,58,35)(26,62,29,45,64,69,66,57)(34,41,67,42,68,52,63,53);(6,8)(7,13)(9,20)(10,15)(11,33)(12,24)(14,30)(16,35)(17,32)(18,37)(19,21)(22,56)(23,49)(25,34)(26,39)(27,45)(28,42)(29,52)(31,58)(36,59)(38,60)(40,64)(41,66)(43,55)(44,54)(46,48)(47,53)(50,61)(51,68)(57,65)(62,67)(63,69);(6,9,12,29)(7,14,18,41)(8,20,24,52)(10,28,32,64)(11,34,35,27)(13,30,37,66)(15,42,17,40)(16,45,33,25)(19,47,49,26)(21,53,23,39)(22,57,59,51)(31,67,44,38)(36,68,56,65)(43,61,46,69)(48,63,55,50)(54,60,58,62)

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, 1503);