Finite Group Databasebeta
Cayley diagram

#9978

order256
nilpotency class3
isoclinismisoclinic class of #9974
automorphismAut(G) order 4096
homologyAbelianization (H1) = C23 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#392
commutator, Frattini, cosocleC23×C4C23
prime radicalC2×#121C22
LCSG ▷ C23×C4 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C23×C4 ▷ C22 ▷ C1

259 conjugacy classes of subgroups; only the 51 normal subgroups are shown.

normal subgroups only

This group has 259 conjugacy classes of subgroups — too many to draw. Only its 51 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=g,b^2=h,d^2=g,e^2=g,f^2=g,b^a=bd,c^a=ce,d^a=dg,e^a=eg,f^a=fh,c^b=cf,d^b=dg,f^b=fg,d^c=dh,e^c=eg,f^c=fg

Conjugacy classes & character table

34 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#9978, #232440, #232441, …
maximal normal subgroup ofC2×#9978, #232440, #232441, …
maximal quotient of#102436, #102438, #102449, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 2966);