Finite Group Databasebeta

C5×#7223 #11929943

order1280
nilpotency class4
isoclinismisoclinic class of #7221
automorphism?
homologyAbelianization (H1) = C42×C5 · Schur multiplier (H2) = C4

Aliases

direct productC5×#7223

Subgroups

subgroupG/H
center, socleC22×C5#340
commutatorC2×C8C42×C5
Frattini, cosocleC2×C4×C8C22×C5
prime radicalC23×C5#103
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

192 conjugacy classes of subgroups; only the 90 normal subgroups are shown.

normal subgroups only

This group has 192 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 37
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 2 generators on 37 points:

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

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, 211);