Finite Group Databasebeta

C5×#21939 #11944659

order1280
nilpotency class3
isoclinismisoclinic class of #3186
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C23×C4

Aliases

direct productC5×#21939

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC25×C5D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C24×C4×C5 ◁ G

1122 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 33
transitive degreeμt(G) = 320

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

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

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, 14927);