Finite Group Databasebeta

C5×#17520 #11940240

order1280
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C25

Aliases

direct productC5×#17520

Subgroups

subgroupG/H
centerC2×C4×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC42C24×C5
socleC22×C5C22×C22⋊C4
prime radicalC5×#3483C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C4×C5×#41 ◁ G

1074 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)(6,7,10,13,11,8,9,12)(14,15)(16,25)(17,22)(18,23)(19,28)(20,24)(21,26)(27,29);(6,8,11,7)(9,13,10,12)(14,16,20,17)(15,21,24,29)(18,26,19,27)(22,28,25,23);(6,9,11,10)(7,12,8,13)(14,17,20,16)(15,22,24,25)(18,26,19,27)(21,28,29,23);(6,9,11,10)(7,12,8,13)(14,18,20,19)(15,23,24,28)(16,26,17,27)(21,22,29,25)

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, 10508);