Finite Group Databasebeta

C5×#13495 #11936215

order1280
nilpotency class4
isoclinismisoclinic class of #13313
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#13495

Subgroups

subgroupG/H
center, socleC22×C5#466
commutator, Frattini, cosocleC22×C8C23×C5
prime radicalC2×C5×#41D4
LCSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C5×#131 ◁ G

284 conjugacy classes of subgroups; only the 102 normal subgroups are shown.

normal subgroups only

This group has 284 conjugacy classes of subgroups — too many to draw. Only its 102 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) = 45
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 45 points:

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

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, 6483);