Finite Group Databasebeta

C5×#7218 #11929938

order1280
nilpotency class4
isoclinismisoclinic class of #7217
automorphism?
homologyAbelianization (H1) = C42×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#7218

Subgroups

subgroupG/H
center, socleC22×C5#340
commutatorC2×C8C42×C5
Frattini, cosocleC2×C4×C8C22×C5
prime radicalC23×C5#102
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

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

normal subgroups only

This group has 202 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) = 53
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 2 generators on 53 points:

(1,2,3,4,5)(6,7)(8,14,16,20)(9,12)(10,13)(11,15,18,21)(17,19)(22,23)(24,34,36,48)(25,31)(26,41)(27,43)(28,33)(29,35,44,49)(30,39)(32,42)(37,52,50,46)(38,53,51,45)(40,47);(6,8)(7,11,13,18)(9,15)(10,16)(12,14,19,20)(17,21)(22,24,26,37,42,51,40,49,28,36,39,50,27,38,25,35)(23,29,31,45,43,52,30,34,33,44,47,53,32,46,41,48)

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 206);