Finite Group Databasebeta

C5×#18037 #11940757

order1280
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24

Aliases

direct productC5×#18037

Subgroups

subgroupG/H
centerC2×C4×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC42C24×C5
socleC22×C5C2×C4×D4
prime radicalC2×C5×#135C4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C4×C5×M16 ◁ G

654 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 29
transitive degreeμt(G) = 640

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

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

Conjugacy classes & character table

350 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1280, 11025);