Finite Group Databasebeta

C5×#8705 #11931425

order1280
nilpotency class3
isoclinismisoclinic class of #8304
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#8705

Subgroups

subgroupG/H
center, socleC23×C5C2×C22⋊C4
commutatorC24C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC24×C5C22×C4
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C22×C42×C5 ◁ G

486 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 486 conjugacy classes of subgroups — too many to draw. Only its 142 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)(16,19)(17,24,25,20)(18,21)(22,28,29,26)(23,27)(30,31,33,37,34,36,40,43)(32,35,39,42,38,41,44,45);(7,10)(11,13)(14,16,18,23)(15,19,21,27)(17,22,25,29)(20,26,24,28)(30,32)(31,35)(33,39)(34,38)(36,41)(37,42)(40,44)(43,45);(6,8,9,12)(7,11,10,13)(14,17)(15,20)(16,22)(18,25)(19,26)(21,24)(23,29)(27,28)(31,36)(32,38)(33,40)(42,45)

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1693);