Finite Group Databasebeta

C5×#8777 #11931497

order1280
nilpotency class3
isoclinismisoclinic class of #8760
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#8777

Subgroups

subgroupG/H
center, socleC22×C5#381
commutatorC22×C4C22×C4×C5
Frattini, cosocleC23×C4C23×C5
prime radicalC22×C5×D4D4
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

480 conjugacy classes of subgroups; only the 114 normal subgroups are shown.

normal subgroups only

This group has 480 conjugacy classes of subgroups — too many to draw. Only its 114 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) = 160

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

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

Conjugacy classes & character table

215 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1765);