Finite Group Databasebeta

C5×#12107 #11934827

order1280
nilpotency class4
isoclinismisoclinic class of #12102
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#12107

Subgroups

subgroupG/H
center, socleC22×C5#447
commutator, Frattini, cosocleC22×C8C23×C5
prime radicalC5×#3191C2
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C5×C22⋊C8 ◁ G

428 conjugacy classes of subgroups; only the 78 normal subgroups are shown.

normal subgroups only

This group has 428 conjugacy classes of subgroups — too many to draw. Only its 78 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)(10,13)(14,15,20,24)(16,25,28,43)(17,22,19,34)(18,30,33,44)(21,36,39,27)(23,29,41,32)(26,42,35,40)(31,37,45,38);(6,7)(8,10)(9,11)(12,13)(14,16)(15,21)(17,26)(18,31)(19,35)(20,28)(22,37)(23,40)(24,39)(25,30)(27,32)(29,36)(33,45)(34,38)(41,42)(43,44);(6,8)(7,10)(9,12)(11,13)(14,17,20,19)(15,22,24,34)(16,26,28,35)(18,29,33,32)(21,37,39,38)(23,30,41,44)(25,42,43,40)(27,31,36,45)

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5095);