Finite Group Databasebeta

C5×#20690 #11943410

order1280
nilpotency class3
isoclinismisoclinic class of #17367
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#20690

Subgroups

subgroupG/H
center, socleC22×C5C22×C22⋊C4
commutatorC23C23×C4×C5
Frattini, cosocleC24C24×C5
prime radicalC23×C5×D4C22
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5×D4 ◁ G

1546 conjugacy classes of subgroups; only the 446 normal subgroups are shown.

normal subgroups only

This group has 1546 conjugacy classes of subgroups — too many to draw. Only its 446 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)(8,11)(9,10)(12,13)(14,15)(16,22,24,19)(17,20)(18,21)(23,28,29,26)(25,27);(7,10)(11,13)(17,25)(20,27)(23,29)(26,28);(6,8,9,12)(7,11,10,13)(14,16)(15,19)(17,23)(18,24)(20,26)(21,22)(25,29)(27,28);(14,17,18,25)(15,20,21,27)(16,23,24,29)(19,26,22,28)

Conjugacy classes & character table

290 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 13678);