Finite Group Databasebeta

C5×#8822 #11931542

order1280
nilpotency class3
isoclinismisoclinic class of #1705
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#8822

Subgroups

subgroupG/H
centerC2×C4×C5#127
commutatorC42C22×C4×C5
Frattini, cosocleC2×C42C23×C5
socleC22×C5#384
prime radicalC23×C5C4⋊Q8
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C2×C42×C5 ◁ G

354 conjugacy classes of subgroups; only the 214 normal subgroups are shown.

normal subgroups only

This group has 354 conjugacy classes of subgroups — too many to draw. Only its 214 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) = 29
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 29 points:

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

Conjugacy classes & character table

380 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1810);