Finite Group Databasebeta
Cayley diagram

#12221

order256
nilpotency class4
isoclinismisoclinic class of #12096
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C22

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22B(4,𝔽2)
commutator, Frattini, cosocleC2×C4⋊C4C23
prime radicalC22×D4D4
LCSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23 ◁ C2×C4⋊C4 ◁ G
LECSG ▷ C2×C4⋊C4 ▷ C23 ▷ C2 ▷ C1

196 conjugacy classes of subgroups; only the 37 normal subgroups are shown.

normal subgroups only

This group has 196 conjugacy classes of subgroups — too many to draw. Only its 37 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) = 32
transitive degreeμt(G) = 32

A minimal faithful permutation representation — 3 generators on 32 points:

(1,2,6,13)(3,15,18,32)(4,21,23,31)(5,25,16,11)(7,27,8,14)(9,24,30,17)(10,26,29,22)(12,19,28,20);(1,3,7,19)(2,9,27,21)(4,16,17,26)(5,24,22,23)(6,18,8,20)(10,28,25,15)(11,32,29,12)(13,30,14,31);(1,4)(2,10)(3,16)(5,18)(6,23)(7,17)(8,24)(9,28)(11,14)(12,30)(13,29)(15,21)(19,26)(20,22)(25,27)(31,32)

Polycyclic presentation:

2^8|a^2=f,b^2=fh,d^2=f,e^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eh,g^a=gh,d^b=df,e^b=egh,d^c=dg,e^c=eh,e^d=eh

Conjugacy classes & character table

28 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#151385, #151386, #151412, …
maximal normal subgroup of#151385, #151386, #151412, …
maximal quotient of#125970, #126012, #126083, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5209);