Finite Group Databasebeta

C5×#11960 #11934680

order1280
nilpotency class4
isoclinismisoclinic class of #11858
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#11960

Subgroups

subgroupG/H
center, socleC22×C5C2×#102
commutatorC2×C8C22×C4×C5
Frattini, cosocleC4×C8C23×C5
prime radicalC5×#3147C2
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

392 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 392 conjugacy classes of subgroups — too many to draw. Only its 118 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)(6,7,8,11,9,10,12,13)(14,15,19,25,20,23,35,41,21,26,33,43,17,32,18,24)(16,27,30,40,28,42,29,37,31,44,34,22,36,38,45,39);(7,10)(8,12)(14,16)(15,22)(17,28)(18,34)(19,29)(20,36)(21,31)(23,37)(24,42)(25,27)(26,40)(30,35)(32,39)(33,45)(38,41)(43,44);(7,10)(11,13)(14,17,21,20)(15,23,26,32)(16,28,31,36)(18,33,35,19)(22,37,40,39)(24,25,41,43)(27,38,44,42)(29,34,45,30)

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 4948);