Finite Group Databasebeta

C5×#8120 #11930840

order1280
nilpotency class3
isoclinismisoclinic class of #8101
automorphism?
homologyAbelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#8120

Subgroups

subgroupG/H
center, socleC22×C5C2×#95
commutatorC23C2×C42×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC24×C5C42
LCSG ▷ C23 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C42×C5 ◁ G

524 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 37
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 37 points:

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

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, 1108);