Finite Group Databasebeta

C5×#12632 #11935352

order1280
nilpotency class4
isoclinismisoclinic class of #2127
automorphism?
homologyAbelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#12632

Subgroups

subgroupG/H
center, socleC22×C5C2×#99
commutatorC2×C4C2×C42×C5
Frattini, cosocleC22×Q8C23×C5
prime radicalC22×C5×D4C2×C4
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C4×C5×Q8 ◁ G

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

normal subgroups only

This group has 512 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) = 25
transitive degreeμt(G) = 320

A minimal faithful permutation representation — 3 generators on 25 points:

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

Conjugacy classes & character table

230 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5620);