Finite Group Databasebeta

C5×#7305 #11930025

order1280
nilpotency class4
isoclinismisoclinic class of #7304
automorphism?
homologyAbelianization (H1) = C42×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#7305

Subgroups

subgroupG/H
center, socleC22×C5#342
commutatorC24C42×C5
Frattini, cosocleC22×#41C22×C5
prime radicalC22×C5×#41C22
LCSG ▷ C24 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×#41 ◁ G

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

normal subgroups only

This group has 484 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) = 320

A minimal faithful permutation representation — 2 generators on 45 points:

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

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 293);