Finite Group Databasebeta

C5×#12838 #11935558

order1280
nilpotency class4
isoclinismisoclinic class of #2218
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#12838

Subgroups

subgroupG/H
centerC2×C4×C5C2×D8
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
socleC22×C5C2×#107
prime radicalC24×C5Q16
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C23×C4×C5 ◁ C23×C5×C8 ◁ G

374 conjugacy classes of subgroups; only the 158 normal subgroups are shown.

normal subgroups only

This group has 374 conjugacy classes of subgroups — too many to draw. Only its 158 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)(10,11,14,19,16,20,15,30)(12,21,25,37,23,35,26,40)(13,27,28,34,29,41,22,18)(17,31,33,39,32,38,36,24);(10,12,22,38,15,26,29,39,16,23,28,31,14,25,13,24)(11,17,27,37,19,33,34,35,20,32,41,40,30,36,18,21);(7,9)(12,23)(17,32)(21,35)(24,39)(25,26)(31,38)(33,36)(37,40)

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, 5826);