Finite Group Databasebeta

C5×#12972 #11935692

order1280
nilpotency class4
isoclinismisoclinic class of #2204
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23

Aliases

direct productC5×#12972

Subgroups

subgroupG/H
center, socleC22×C5B(4,𝔽2)
commutatorC2×Q8C22×C4×C5
Frattini, cosocleC22×Q8C23×C5
prime radicalC22×C5×D4D4
LCSG ▷ C2×Q8 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C22×C5×Q8 ◁ G

492 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 492 conjugacy classes of subgroups — too many to draw. Only its 118 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) = 160

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

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

Conjugacy classes & character table

200 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5960);