Finite Group Databasebeta

C5×#8317 #11931037

order1280
nilpotency class3
isoclinismisoclinic class of #2021
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#8317

Subgroups

subgroupG/H
centerC2×C4×C5#120
commutatorC24C22×C4×C5
Frattini, cosocleC23×C4C23×C5
socleC22×C5#379
prime radicalC5×#3459C2
LCSG ▷ C24 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C23×C4×C5 ◁ G

864 conjugacy classes of subgroups; only the 162 normal subgroups are shown.

normal subgroups only

This group has 864 conjugacy classes of subgroups — too many to draw. Only its 162 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) = 320

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

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

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 1305);