Finite Group Databasebeta

C5×#12075 #11934795

order1280
nilpotency class4
isoclinismisoclinic class of #2184
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2

Aliases

direct productC5×#12075

Subgroups

subgroupG/H
centerC2×C4×C5C2×D8
commutatorC2×C8C22×C4×C5
Frattini, cosocleC4×C8C23×C5
socleC22×C5C4×D8
prime radicalC2×C5×D8C2×C4
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C4×C5×C8 ◁ C5×C82 ◁ G

224 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 224 conjugacy classes of subgroups — too many to draw. Only its 98 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) = 640

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

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

Conjugacy classes & character table

290 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 5063);