Finite Group Databasebeta

C5×#21795 #11944515

order1280
nilpotency class3
isoclinismisoclinic class of #17405
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C23×C42

Aliases

direct productC5×#21795

Subgroups

subgroupG/H
center, socleC22×C5C22×C22⋊C4
commutatorC23C23×C4×C5
Frattini, cosocleC24C24×C5
prime radicalC2×C5×#534C2
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C5×C22⋊C4 ◁ G

1538 conjugacy classes of subgroups; only the 366 normal subgroups are shown.

normal subgroups only

This group has 1538 conjugacy classes of subgroups — too many to draw. Only its 366 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) = 29
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 4 generators on 29 points:

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

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, 14783);