Finite Group Databasebeta

C5×#11888 #11934608

order1280
nilpotency class4
isoclinismisoclinic class of #11858
automorphism?
homologyAbelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C22×C4

Aliases

direct productC5×#11888

Subgroups

subgroupG/H
center, socleC22×C5C2×#102
commutatorC2×C8C22×C4×C5
Frattini, cosocleC22×C8C23×C5
prime radicalC2×C5×#466C2
LCSG ▷ C2×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ C23×C5×C8 ◁ G

464 conjugacy classes of subgroups; only the 122 normal subgroups are shown.

normal subgroups only

This group has 464 conjugacy classes of subgroups — too many to draw. Only its 122 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) = 320

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

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

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, 4876);