Finite Group Databasebeta

C5×#17994 #11940714

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

Aliases

direct productC5×#17994

Subgroups

subgroupG/H
centerC2×C4×C5C22×D4
commutatorC2×C4C23×C4×C5
Frattini, cosocleC42C24×C5
socleC22×C5C2×C4×D4
prime radicalC5×#3100C2
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4×C5 ◁ C4×C5×M16 ◁ G

748 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)(8,10)(9,12)(11,13)(14,15,17,20,18,21,24,27)(16,19,23,26,22,25,28,29);(7,10)(8,13)(11,12);(14,16,17,23,18,22,24,28)(15,19,20,26,21,25,27,29);(16,22)(19,25)(23,28)(26,29)

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, 10982);