Finite Group Databasebeta

C5×#12627 #11935347

order1280
nilpotency class4
isoclinismisoclinic class of #2127
automorphism?
homologyAbelianization (H1) = C2×C42×C5 · Schur multiplier (H2) = C23×C4

Aliases

direct productC5×#12627

Subgroups

subgroupG/H
center, socleC22×C5C2×#99
commutatorC2×C4C2×C42×C5
Frattini, cosocleC22×D4C23×C5
prime radicalC22×C5×D4C23
LCSG ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C2×C4×C5×D4 ◁ G

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

normal subgroups only

This group has 564 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)(10,11)(12,18)(13,21)(14,16)(15,19)(17,22)(20,24)(23,25);(10,12)(11,15)(13,19,22,25)(14,20)(16,23)(17,18,21,24);(6,8,9,7)(11,16)(15,23)(17,21)(18,24)

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, 5615);