Finite Group Databasebeta
Cayley diagram

Q16×#41 #61429

order256
nilpotency class3
isoclinismisoclinic class of D4×D8
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productQ16×#41

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutator, Frattini, cosocleC2×C4C25
socleC22C23×D4
prime radicalC2×#41D4
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

913 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 24 points:

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

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofQ16×#41⋊C3
maximal subgroup of#131787, #131819, #221068, …
maximal normal subgroup of#131787, #131819, #221068, …
maximal quotient of#41×#103, #41×#107, Q16×#117, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 54417);