Finite Group Databasebeta
Cayley diagram

C22×#568 #63074

order256
nilpotency class2
isoclinismisoclinic class of H(5,𝔽2)
automorphism?
homologyAbelianization (H1) = C25×C4 · Schur multiplier (H2) = C214

Aliases

direct productC22×#568

Subgroups

subgroupG/H
centerC22×C4C24
commutatorC2C25×C4
Frattini, cosocleC4C26
socleC23C23×C4
prime radicalC23×#41C2
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ G
LECSG ▷ C4 ▷ C2 ▷ C1

5559 conjugacy classes of subgroups; only the 5287 normal subgroups are shown.

normal subgroups only

This group has 5559 conjugacy classes of subgroups — too many to draw. Only its 5287 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) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 6 generators on 20 points:

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

Conjugacy classes & character table

136 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#568, C22×#568⋊C3, #11710869
maximal subgroup of#353297, #353299, #353322, …
maximal normal subgroup of#353297, #353299, #353322, …
maximal quotient ofC22×#2873, C22×#2875, C2×C4×#568, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 56062);