Finite Group Databasebeta

C5×#12377 #11935097

order1280
nilpotency class4
isoclinismisoclinic class of #12324
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12377

Subgroups

subgroupG/H
center, socleC22×C5#447
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC5×#3277C2
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×#436 ◁ G

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

normal subgroups only

This group has 344 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)(6,7,10,13)(8,11,9,12)(14,15,20,24)(16,25,28,43)(17,22,19,34)(18,30,33,41)(21,36,38,27)(23,29,42,32)(26,44,35,40)(31,37,45,39);(7,11)(8,9)(12,13)(14,16)(15,21)(17,26)(18,31)(19,35)(20,28)(22,37)(23,40)(24,38)(25,30)(27,32)(29,36)(33,45)(34,39)(41,43)(42,44);(7,12)(8,9)(11,13)(14,17,20,19)(15,22,24,34)(16,26,28,35)(18,32,33,29)(21,37,38,39)(23,41,42,30)(25,40,43,44)(27,45,36,31)

Conjugacy classes & character table

155 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5365);