Finite Group Databasebeta

C5×#12872 #11935592

order1280
nilpotency class4
isoclinismisoclinic class of #11663
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#12872

Subgroups

subgroupG/H
center, socleC22×C5C2×#102
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
prime radicalC24×C5SD16
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ C23×C5×C8 ◁ G

398 conjugacy classes of subgroups; only the 142 normal subgroups are shown.

normal subgroups only

This group has 398 conjugacy classes of subgroups — too many to draw. Only its 142 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) = 45
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 45 points:

(1,2,3,4,5)(6,7)(8,11)(9,10)(12,13)(14,15,18,23,19,25,33,24)(16,20,27,36,28,38,44,37)(17,29,31,22,32,21,30,39)(26,40,42,35,43,34,41,45);(7,10)(11,13)(14,16,19,28)(15,20,25,38)(17,26,32,43)(18,27,33,44)(21,34,29,40)(22,35,39,45)(23,36,24,37)(30,41,31,42);(6,8,9,12)(7,11,10,13)(15,21)(17,30)(18,33)(20,34)(22,23)(24,39)(25,29)(26,41)(27,44)(31,32)(35,36)(37,45)(38,40)(42,43)

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, 5860);