Finite Group Databasebeta

C5×#21770 #11944490

order1280
nilpotency class3
isoclinismisoclinic class of #3198
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C25×C4

Aliases

direct productC5×#21770

Subgroups

subgroupG/H
center, socleC23×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
prime radicalC2×C5×#535C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C5 ◁ C22×C5×#41 ◁ G

1518 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)(20,23)(21,24)(22,26)(25,29)(27,31)(28,30)(32,33);(10,12)(11,14)(13,17)(15,16)(18,20)(19,23)(21,28)(22,27)(24,30)(25,32)(26,31)(29,33);(12,17)(14,16)(19,24)(21,29)(23,30)(25,26)(28,33)(31,32);(11,15)(14,16)(20,27)(23,31)(28,33)(30,32)

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, 14758);