Finite Group Databasebeta

C5×#13705 #11936425

order1280
nilpotency class5
isoclinismisoclinic class of #13661
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#13705

Subgroups

subgroupG/H
center, socleC22×C5C2×D16
commutator, Frattini, cosocleC2×C16C23×C5
prime radicalC2×C5×D16C22
LCSG ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G

176 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 176 conjugacy classes of subgroups — too many to draw. Only its 78 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)(6,7,9,11)(8,12,13,10)(14,15,19,24)(16,20,28,35)(17,29,31,45)(18,32,30,23)(21,36,38,25)(22,39,40,26)(27,41,42,34)(33,44,37,43);(6,8,9,13)(7,10,11,12);(15,20)(16,25)(17,26)(18,30)(21,22)(23,41)(24,35)(27,44)(28,36)(29,33)(31,39)(32,34)(37,45)(38,40)(42,43)

Conjugacy classes & character table

245 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6693);