Finite Group Databasebeta
Cayley diagram

Q16×#102 #220804

order512
nilpotency class3
isoclinismisoclinic class of D82
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productQ16×#102

Subgroups

subgroupG/H
center, socleC23D42
commutatorC42C23×C4
Frattini, cosocleC2×C42C24
prime radicalC22×D4C2×D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C2×C42 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

1134 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 28
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 4 generators on 28 points:

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

Conjugacy classes & character table

98 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 128000);