Finite Group Databasebeta

C5×#22489 #11945209

order1280
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#22489

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC2×C5×#555C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C4×C5×D4 ◁ G

1206 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)(6,7,8,9)(11,14)(15,17)(18,19)(20,24)(21,28)(22,30)(23,26)(25,27)(29,32)(31,33);(10,11)(12,15)(13,14)(16,17)(18,20,23,22)(19,24,26,30)(21,27,29,31)(25,32,33,28);(10,12,13,16)(11,15,14,17)(18,21)(19,25)(20,27)(22,31)(23,29)(24,32)(26,33)(28,30);(11,14)(15,17)(18,20,23,22)(19,24,26,30)(21,27,29,31)(25,32,33,28)

Conjugacy classes & character table

350 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 15477);