Finite Group Databasebeta

C5×#12434 #11935154

order1280
nilpotency class4
isoclinismisoclinic class of #12433
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#12434

Subgroups

subgroupG/H
center, socleC22×C5#466
commutator, Frattini, cosocleC4×C8C23×C5
prime radicalC2×C5×D4D8
LCSG ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C8×D4 ◁ G

230 conjugacy classes of subgroups; only the 82 normal subgroups are shown.

normal subgroups only

This group has 230 conjugacy classes of subgroups — too many to draw. Only its 82 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) = 640

A minimal faithful permutation representation — 3 generators on 45 points:

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

Conjugacy classes & character table

185 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5422);