Finite Group Databasebeta

C5×#7828 #11930548

order1280
nilpotency class3
isoclinismisoclinic class of #7734
automorphism?
homologyAbelianization (H1) = C23×C5 · Schur multiplier (H2) = C22

Aliases

direct productC5×#7828

Subgroups

subgroupG/H
center, socleC23×C5#120
commutator, Frattini, cosocleC2×C42C23×C5
prime radicalC22×C5×D4D4
LCSG ▷ C2×C42 ▷ C23 ▷ C1
UCSC1 ◁ C23×C5 ◁ C2×C42×C5 ◁ G

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

normal subgroups only

This group has 404 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) = 37
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 37 points:

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

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, 816);