Finite Group Databasebeta

C5×#7405 #11930125

order1280
nilpotency class5
isoclinismisoclinic class of #7402
automorphism?
homologyAbelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#7405

Subgroups

subgroupG/H
center, socleC22×C5#353
commutatorC2×C42C2×C4×C5
Frattini, cosocle#391C22×C5
prime radicalC23×C5#99
LCSG ▷ C2×C42 ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C22×C4×C5 ◁ C5×#391 ◁ G

252 conjugacy classes of subgroups; only the 46 normal subgroups are shown.

normal subgroups only

This group has 252 conjugacy classes of subgroups — too many to draw. Only its 46 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 — 2 generators on 45 points:

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

Conjugacy classes & character table

140 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 393);