Finite Group Databasebeta

C5×#13049 #11935769

order1280
nilpotency class4
isoclinismisoclinic class of #2199
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#13049

Subgroups

subgroupG/H
center, socleC22×C5B(4,𝔽2)
commutatorC2×D4C22×C4×C5
Frattini, cosocleC22×D4C23×C5
prime radicalC2×C5×#453C2
LCSG ▷ C2×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C5 ◁ C22×C5×D4 ◁ G

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

normal subgroups only

This group has 796 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)(7,9)(10,11)(12,15)(13,17,22,16)(14,18)(19,24)(20,23,21,25);(6,7,8,9)(10,12)(11,15)(13,21)(14,19)(16,25)(17,23)(18,24)(20,22);(11,16)(12,19)(13,22)(15,23)(17,18)(24,25)

Conjugacy classes & character table

170 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 6037);