Finite Group Databasebeta

C5×#11490 #11934210

order1280
nilpotency class3
isoclinismisoclinic class of #327
automorphism?
homologyAbelianization (H1) = C22×C5×C8 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#11490

Subgroups

subgroupG/H
centerC2×C5×C8C22⋊C4
commutatorC2×C4C22×C5×C8
Frattini, cosocleC22×C8C23×C5
socleC22×C5C2×C22⋊C8
prime radicalC5×#532C4
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C2×C5×C8 ◁ C2×C4×C5×C8 ◁ G

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

normal subgroups only

This group has 364 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) = 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)(14,15,19,25,21,24,33,41,20,26,32,42,18,34,17,23)(16,27,30,37,29,22,36,38,31,40,44,45,35,39,28,43);(7,10)(8,12)(14,16)(15,22)(17,28)(18,35)(19,30)(20,31)(21,29)(23,37)(24,40)(25,38)(26,39)(27,34)(32,44)(33,36)(41,45)(42,43);(14,17,18,32,20,33,21,19)(15,23,34,42,26,41,24,25)(16,28,35,44,31,36,29,30)(22,37,27,43,39,45,40,38)

Conjugacy classes & character table

380 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 4478);