Finite Group Databasebeta

C5×#33815 #11956535

order1280
nilpotency class4
isoclinismisoclinic class of #33752
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#33815

Subgroups

subgroupG/H
center, socleC22×C5C22×D8
commutator, Frattini, cosocleC2×C8C24×C5
prime radicalC23×C5C2×D8
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

490 conjugacy classes of subgroups; only the 214 normal subgroups are shown.

normal subgroups only

This group has 490 conjugacy classes of subgroups — too many to draw. Only its 214 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) = 640

A minimal faithful permutation representation — 4 generators on 45 points:

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

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 26803);