Finite Group Databasebeta
Cayley diagram

C22×B(4,𝔽2) #60392

order256
nilpotency class3
isoclinismisoclinic class of B(4,𝔽2)
automorphismAut(G) order 589824
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C211

Aliases

direct productC22×B(4,𝔽2)

Subgroups

subgroupG/H
center, socleC23#120
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C25 ◁ G
LECSG ▷ C23 ▷ C2 ▷ C1

3507 conjugacy classes of subgroups; only the 567 normal subgroups are shown.

normal subgroups only

This group has 3507 conjugacy classes of subgroups — too many to draw. Only its 567 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) = 32

A minimal faithful permutation representation — 5 generators on 12 points:

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

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×B(4,𝔽2), C22×B(4,𝔽2)⋊C3, #11710337, …
maximal subgroup of#147749, #364513, #364516, …
maximal normal subgroup of#147749, #364513, #364516, …
maximal quotient ofC22×#1595, C22×#1601, C22×#1596, …
automorphism group ofC2×C3×M16, #2197, #2200, …
outer automorphism group ofC2×C22⋊C8, C2×C4⋊C8, C2×C3×C4⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53380);