Finite Group Databasebeta

C5×#10489 #11933209

order1280
nilpotency class3
isoclinismisoclinic class of #10488
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#10489

Subgroups

subgroupG/H
center, socleC22×C5#394
commutator, Frattini, cosocleC2×C42C23×C5
prime radicalC5×#532C22
LCSG ▷ C2×C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ G

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

normal subgroups only

This group has 394 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) = 29
transitive degreeμt(G) = 640

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

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

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 3477);