Finite Group Databasebeta

C5×#9989 #11932709

order1280
nilpotency class3
isoclinismisoclinic class of #9986
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#9989

Subgroups

subgroupG/H
center, socleC22×C5#392
commutator, Frattini, cosocleC23×C4C23×C5
prime radicalC2×C5×#121C22
LCSG ▷ C23×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

724 conjugacy classes of subgroups; only the 106 normal subgroups are shown.

normal subgroups only

This group has 724 conjugacy classes of subgroups — too many to draw. Only its 106 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)(8,10)(9,11)(12,13)(14,15,19,23)(16,24,27,29)(17,21,18,22)(20,26,28,25);(10,13)(14,16,19,27)(15,20,23,28)(17,26,18,25)(21,24,22,29);(6,8)(7,10)(9,12)(11,13)(15,21)(16,25)(17,18)(22,23)(24,29)(26,27)

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, 2977);