Finite Group Databasebeta

C5×#12454 #11935174

order1280
nilpotency class4
isoclinismisoclinic class of #12433
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C4

Aliases

direct productC5×#12454

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

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

normal subgroups only

This group has 218 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) = 29
transitive degreeμt(G) = 640

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

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

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, 5442);