Finite Group Databasebeta
Cayley diagram

#33434

order256
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 8192
homologyAbelianization (H1) = C23×C8 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
centerC2×C16C23
commutator, socleC22C23×C8
Frattini, cosocleC2×C8C24
prime radical#532C4
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C2×C16 ◁ G
LECSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1

345 conjugacy classes of subgroups; only the 203 normal subgroups are shown.

normal subgroups only

This group has 345 conjugacy classes of subgroups — too many to draw. Only its 203 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) = 128

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

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

Polycyclic presentation:

2^8|a^2=f,c^2=f,f^2=g,g^2=h,b^a=be,d^a=dh,d^b=dh

Conjugacy classes & character table

112 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#128463, #128484, #128504, …
maximal normal subgroup of#128463, #128484, #128504, …
maximal quotient of#483489, #483524, #483535, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 26422);