Finite Group Databasebeta

C5×#8309 #11931029

order1280
nilpotency class3
isoclinismisoclinic class of #8304
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#8309

Subgroups

subgroupG/H
center, socleC23×C5C2×C22⋊C4
commutatorC24C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC25×C5C2×C4
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C22×C42×C5 ◁ G

874 conjugacy classes of subgroups; only the 174 normal subgroups are shown.

normal subgroups only

This group has 874 conjugacy classes of subgroups — too many to draw. Only its 174 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) = 41
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 41 points:

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

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, 1297);