Finite Group Databasebeta

C5×#7289 #11930009

order1280
nilpotency class4
isoclinismisoclinic class of #1347
automorphism?
homologyAbelianization (H1) = C42×C5 · Schur multiplier (H2) = C4

Aliases

direct productC5×#7289

Subgroups

subgroupG/H
centerC2×C4×C5#102
commutatorC2×C8C42×C5
Frattini, cosocleC2×C4×C8C22×C5
socleC22×C5#340
prime radicalC23×C5#106
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

184 conjugacy classes of subgroups; only the 94 normal subgroups are shown.

normal subgroups only

This group has 184 conjugacy classes of subgroups — too many to draw. Only its 94 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 — 2 generators on 53 points:

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

Conjugacy classes & character table

290 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 277);