Finite Group Databasebeta
Cayley diagram

C22×#343 #20356

order256
nilpotency class3
isoclinismisoclinic class of #99
automorphismAut(G) order 786432
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C27

Aliases

direct productC22×#343

Subgroups

subgroupG/H
center, socleC24C22⋊C4
commutatorC22C22×C42
Frattini, cosocleC22×C4C24
prime radicalC25C2×C4
LCSG ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C24×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

1247 conjugacy classes of subgroups; only the 607 normal subgroups are shown.

normal subgroups only

This group has 1247 conjugacy classes of subgroups — too many to draw. Only its 607 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) = 128

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

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#343
maximal subgroup of#123439, #123455, #123469, …
maximal normal subgroup of#123439, #123455, #123469, …
maximal quotient ofC22×#1280, C2×#7908, C2×#7909, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13344);