Finite Group Databasebeta
Cayley diagram

#33846

order256
nilpotency class4
isoclinismisoclinic class of D4×D16
automorphismAut(G) order 8192
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C22×D8
commutator, Frattini, cosocleC2×C8C24
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C4×D4 ◁ C8×D4 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

359 conjugacy classes of subgroups; only the 109 normal subgroups are shown.

normal subgroups only

This group has 359 conjugacy classes of subgroups — too many to draw. Only its 109 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) = 36
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 36 points:

(1,2)(3,4)(5,6,10,14)(7,15,19,33)(8,20,23,36)(9,24,22,12)(11,26,28,17)(13,30,32,21)(16,29,34,27)(18,35,25,31);(5,7)(6,11)(8,16)(9,25)(10,19)(12,29)(13,31)(14,28)(15,20)(17,21)(18,22)(23,34)(24,27)(26,30)(32,35)(33,36);(2,4);(6,12)(7,16)(8,21)(9,22)(11,15)(13,32)(14,24)(17,18)(19,34)(23,30)(25,26)(27,35)(28,33)(29,31)

Polycyclic presentation:

2^8|a^2=h,e^2=gh,g^2=h,b^a=be,c^a=cf,d^a=dgh,e^a=eg,g^a=gh,d^b=de,e^b=eg,g^b=gh,e^d=eg,g^d=gh

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#513165, #513167, #513173, …
maximal normal subgroup of#513165, #513167, #513173, …
maximal quotient of#491716, #491721, #491780, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26834);