Finite Group Databasebeta

C5×#23647 #11946367

order1280
nilpotency class3
isoclinismisoclinic class of #23439
automorphism?
homologyAbelianization (H1) = C24×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#23647

Subgroups

subgroupG/H
center, socleC22×C5C2×#121
commutator, Frattini, cosocleC22×C4C24×C5
prime radicalC22×C5×#41C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C5 ◁ C23×C4×C5 ◁ G

914 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 320

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

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

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, 16635);