Finite Group Databasebeta
Cayley diagram

C22×D42 #62695

order256
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C215

Aliases

direct productC22×D42

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC22C26
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C22 ▷ C1

10019 conjugacy classes of subgroups; only the 3479 normal subgroups are shown.

normal subgroups only

This group has 10019 conjugacy classes of subgroups — too many to draw. Only its 3479 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) = 12
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 6 generators on 12 points:

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

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

Frattini subgroup of#72232928, #72233158, #72233347, …
Fitting subgroup ofD42×A4, D42×S4, #72259033, …
maximal subgroup ofC2×#8375, #185643, C2×#8383, …
maximal normal subgroup ofC2×#8375, #185643, C2×#8383, …
maximal quotient ofC22×D4×C22⋊C4, C22×D4×C4⋊C4, C22×#2358, …
automorphism group of#332, C3×#471
outer automorphism group ofC3×#405, D4×M32, #33484

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55683);