Finite Group Databasebeta

C5×#25253 #11947973

order1280
nilpotency class3
isoclinismisoclinic class of #24269
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#25253

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC22×C5×D4D4
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C4×C5×D4 ◁ G

828 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)(10,11)(12,15)(13,14)(16,17)(18,19,22,26,23,20,24,27)(21,29,33,25,32,30,31,28);(6,7)(8,9)(11,14)(15,17)(18,20,24,26,23,19,22,27)(21,30,31,25,32,29,33,28);(7,9)(10,12,13,16)(11,15,14,17)(18,21,23,32)(19,25,20,28)(22,31,24,33)(26,29,27,30);(11,14)(15,17)(18,22,23,24)(19,26,20,27)(21,31,32,33)(25,29,28,30)

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 18241);