Finite Group Databasebeta
Cayley diagram

#22674

order256
nilpotency class3
isoclinismisoclinic class of #3264
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socle, prime radicalC23C22×D4
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

457 conjugacy classes of subgroups; only the 215 normal subgroups are shown.

normal subgroups only

This group has 457 conjugacy classes of subgroups — too many to draw. Only its 215 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 — 4 generators on 24 points:

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

Polycyclic presentation:

2^8|a^2=g,b^2=h,c^2=f,d^2=h,e^2=h,b^a=be,c^a=cf,e^a=eh,d^b=de,e^b=eh,e^d=eh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#136373, #136402, #136907, …
maximal normal subgroup of#136373, #136402, #136907, …
maximal quotient of#225434, #225450, #225466, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 15662);