Finite Group Databasebeta

C5×#21775 #11944495

order1280
nilpotency class3
isoclinismisoclinic class of #3198
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C26

Aliases

direct productC5×#21775

Subgroups

subgroupG/H
centerC2×C4×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC22×C4C24×C5
socleC22×C5C22×C22⋊C4
prime radicalC5×#3449C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C22×C5×#41 ◁ G

1362 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 160

A minimal faithful permutation representation — 4 generators on 29 points:

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

Conjugacy classes & character table

260 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 14763);