Finite Group Databasebeta

C5×#8757 #11931477

order1280
nilpotency class3
isoclinismisoclinic class of #8746
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#8757

Subgroups

subgroupG/H
center, socleC22×C5#381
commutatorC24C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC24×C5C22×C4
LCSG ▷ C24 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

438 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 438 conjugacy classes of subgroups — too many to draw. Only its 118 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) = 320

A minimal faithful permutation representation — 3 generators on 29 points:

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

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1745);