Finite Group Databasebeta

C5×#11752 #11934472

order1280
nilpotency class4
isoclinismisoclinic class of #11704
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C2×C4

Aliases

direct productC5×#11752

Subgroups

subgroupG/H
center, socleC22×C5C2×#102
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
prime radicalC23×C5C2×SD16
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G

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

normal subgroups only

This group has 320 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) = 45
transitive degreeμt(G) = 640

A minimal faithful permutation representation — 3 generators on 45 points:

(1,2,3,4,5)(7,11,12,13)(14,15,18,23,20,24,19,34)(16,25,28,43,26,42,35,39)(17,29,31,40,33,41,32,22)(21,30,37,44,36,45,38,27);(6,7)(8,11)(9,13)(10,12)(14,16,20,26)(15,21,24,36)(17,30,33,45)(18,28,19,35)(22,39,40,43)(23,37,34,38)(25,41,42,29)(27,31,44,32);(6,8,10,9)(7,11,12,13)(16,26)(21,36)(25,42)(27,44)(28,35)(30,45)(37,38)(39,43)

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, 4740);