Finite Group Databasebeta

C5×#8421 #11931141

order1280
nilpotency class3
isoclinismisoclinic class of #8412
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#8421

Subgroups

subgroupG/H
center, socleC22×C5#379
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
prime radicalC5×#3499C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

942 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 29 points:

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

Conjugacy classes & character table

215 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1409);