Finite Group Databasebeta

C5×#21838 #11944558

order1280
nilpotency class3
isoclinismisoclinic class of #3192
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4

Aliases

direct productC5×#21838

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC24×C5C2×D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C22×C42×C5 ◁ G

1066 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)(12,16)(15,17)(18,19)(20,26)(21,24)(22,25)(23,28)(27,32)(29,31)(30,33);(11,15)(14,17)(18,20,22,28)(19,23,25,26)(21,29,30,27)(24,32,33,31);(10,11)(12,17)(13,15)(14,16)(18,21,22,30)(19,24,25,33)(20,27,28,29)(23,31,26,32);(19,25)(23,26)(24,33)(31,32)

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 14826);