Finite Group Databasebeta

C5×#21128 #11943848

order1280
nilpotency class3
isoclinismisoclinic class of #3008
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C23×C4

Aliases

direct productC5×#21128

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC22×C5×D4C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C5×#376 ◁ G

862 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 4 generators on 33 points:

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

Conjugacy classes & character table

320 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 14116);