Finite Group Databasebeta
Cayley diagram

SD162 #19977

order256
nilpotency class3
isoclinismisoclinic class of D82
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C24

Aliases

direct productSD162

Subgroups

subgroupG/H
center, socleC22D42
commutator, Frattini, cosocleC42C24
prime radicalD42C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

358 conjugacy classes of subgroups; only the 119 normal subgroups are shown.

normal subgroups only

This group has 358 conjugacy classes of subgroups — too many to draw. Only its 119 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 16 points:

(1,2,3,4,5,6,7,8);(2,4)(3,7)(6,8);(9,10,11,12,13,14,15,16);(10,12)(11,15)(14,16)

Conjugacy classes & character table

49 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#153637, C2×SD162, SD16×#135, …
maximal normal subgroup of#153637, C2×SD162, SD16×#135, …
maximal quotient ofSD16×#102, SD16×#103, SD16×#106, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12965);