Finite Group Databasebeta
Cayley diagram

#9900

order256
nilpotency class3
isoclinismisoclinic class of #7654
automorphismAut(G) order 16384
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C2×C22⋊C4
commutatorC22×C4C22×C4
Frattini, cosocleC2×C42C23
LCSG ▷ C22×C4 ▷ C22 ▷ C1
UCSC1 ◁ C23 ◁ C43 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

225 conjugacy classes of subgroups; only the 99 normal subgroups are shown.

normal subgroups only

This group has 225 conjugacy classes of subgroups — too many to draw. Only its 99 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) = 24
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 3 generators on 24 points:

(1,2)(3,7)(4,5)(6,8)(10,13)(11,15)(14,16)(17,18,19,23,20,22,24,21);(2,5)(6,7)(9,10,11,13,12,14,15,16)(18,21)(19,24)(22,23);(1,3,4,8)(2,6,5,7)(18,22)(21,23)

Polycyclic presentation:

2^8|a^2=f,b^2=def,c^2=eh,d^2=gh,f^2=h,b^a=bd,c^a=ce,d^a=dg,d^b=dh,f^b=fh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#98014, #98015, #98016, …
maximal normal subgroup of#98014, #98015, #98016, …
maximal quotient of#102395, #102396, #102409, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 2888);