Finite Group Databasebeta

C5×#12429 #11935149

order1280
nilpotency class4
isoclinismisoclinic class of #12416
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12429

Subgroups

subgroupG/H
center, socleC22×C5#459
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC5×#493C22
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C82 ◁ G

240 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 240 conjugacy classes of subgroups — too many to draw. Only its 82 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)(17,20)(18,30)(19,33)(21,26)(22,32)(23,29)(25,40)(27,44)(28,41)(31,39)(34,38)(35,42)(36,43)(37,45);(6,7,11,13,9,12,8,10)(15,20)(21,35)(22,36)(23,33)(24,40)(30,41)(37,39)(38,44);(14,16,17,25)(15,21,20,35)(18,31,28,45)(19,34,29,27)(22,38,36,44)(23,39,33,37)(24,41,40,30)(26,43,42,32)

Conjugacy classes & character table

215 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5417);