Finite Group Databasebeta

C5×#7866 #11930586

order1280
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphism?
homologyAbelianization (H1) = C2×C4×C5×C8 · Schur multiplier (H2) = C23×C4

Aliases

direct productC5×#7866

Subgroups

subgroupG/H
centerC42×C5C2×D4
commutatorC4C2×C4×C5×C8
Frattini, cosocleC2×C42C23×C5
socleC22×C5C2×#95
prime radicalC24×C5C22⋊C4
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C42×C5 ◁ C22×C42×C5 ◁ G

714 conjugacy classes of subgroups.

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

Conjugacy classes & character table

440 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 854);