Finite Group Databasebeta
Cayley diagram

#25774

order256
nilpotency class3
isoclinismisoclinic class of #24264
automorphismAut(G) order 65536
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC22×C4C24
prime radical#2433C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

880 conjugacy classes of subgroups; only the 175 normal subgroups are shown.

normal subgroups only

This group has 880 conjugacy classes of subgroups — too many to draw. Only its 175 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) = 16
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 16 points:

(2,4)(10,14)(11,16)(12,15);(5,6)(7,8)(9,10,12,14,13,11,15,16);(1,2,3,4)(6,8);(9,11,12,16,13,10,15,14)

Polycyclic presentation:

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

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#301861, #301862, #301917, …
maximal normal subgroup of#301861, #301862, #301917, …
maximal quotient of#298603, #298609, #298616, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18762);