Finite Group Databasebeta

C5×#9157 #11931877

order1280
nilpotency class3
isoclinismisoclinic class of #7694
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23×C4

Aliases

direct productC5×#9157

Subgroups

subgroupG/H
center, socleC23×C5C2×C22⋊C4
commutatorC22×C4C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC2×C5×#121C22
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23×C5 ◁ C22×C42×C5 ◁ G

648 conjugacy classes of subgroups; only the 150 normal subgroups are shown.

normal subgroups only

This group has 648 conjugacy classes of subgroups — too many to draw. Only its 150 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 3 generators on 33 points:

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

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, 2145);