Finite Group Databasebeta

C5×#12518 #11935238

order1280
nilpotency class4
isoclinismisoclinic class of #12503
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C2×C8

Aliases

direct productC5×#12518

Subgroups

subgroupG/H
center, socleC22×C5#493
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC5×#2246C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C82 ◁ G

330 conjugacy classes of subgroups; only the 110 normal subgroups are shown.

normal subgroups only

This group has 330 conjugacy classes of subgroups — too many to draw. Only its 110 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 — 3 generators on 45 points:

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

Conjugacy classes & character table

350 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5506);