Finite Group Databasebeta

C5×#11807 #11934527

order1280
nilpotency class4
isoclinismisoclinic class of #11799
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#11807

Subgroups

subgroupG/H
center, socleC22×C5C2×#99
commutatorC22×C4C22×C4×C5
Frattini, cosocleC2×C4⋊C4C23×C5
prime radicalC24×C5C22⋊C4
LCSG ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C5×#117 ◁ G

388 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 388 conjugacy classes of subgroups — too many to draw. Only its 98 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)(6,7)(8,10)(9,11)(12,13)(14,15,18,23,19,22,31,38)(16,24,26,39,27,20,32,34)(17,21,29,37,30,36,42,45)(25,35,40,44,28,33,41,43);(7,10)(8,13)(11,12)(14,16,19,27)(15,20,22,24)(17,28,30,25)(18,26,31,32)(21,35,36,33)(23,39,38,34)(29,41,42,40)(37,43,45,44);(7,11)(10,12)(14,17,19,30)(15,21,22,36)(16,25,27,28)(18,29,31,42)(20,33,24,35)(23,37,38,45)(26,40,32,41)(34,43,39,44)

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, 4795);