Finite Group Databasebeta
Cayley diagram

#8254

order256
nilpotency class3
isoclinismisoclinic class of #1510
automorphismAut(G) = C23×#7684106 (order 4096) · Inn(G) = C2×C22⋊C4 · Out(G) = C24×D4
homologyAbelianization (H1) = C2×C42 · Schur multiplier (H2) = C2×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C4C2×C22⋊C4
commutatorC2×C4C2×C42
Frattini, cosocleC2×C42C23
socleC22C4×C22⋊C4
prime radicalC23C4×D4
LCSG ▷ C2×C4 ▷ C22 ▷ C1
UCSC1 ◁ C2×C4 ◁ C2×C4×C8 ◁ G
LECSG ▷ C2×C42 ▷ C22 ▷ C1

197 conjugacy classes of subgroups; only the 89 normal subgroups are shown.

normal subgroups only

This group has 197 conjugacy classes of subgroups — too many to draw. Only its 89 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) = 64

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

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

Polycyclic presentation:

2^8|a^2=e,b^2=f,c^2=eg,d^2=g,e^2=h,f^2=g,b^a=bd,d^a=dg,f^a=fgh,c^b=cg,d^b=dh

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#8254, #182974, #182981, …
maximal normal subgroup ofC2×#8254, #182974, #182981, …
maximal quotient of#96777, #96783, #96788, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 1242);