Finite Group Databasebeta
Cayley diagram

#25409

order256
nilpotency class3
isoclinismisoclinic class of #25140
automorphismAut(G) order 4096
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#121
commutator, Frattini, cosocleC22×C4C24
prime radical#3153C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

447 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 36
transitive degreeμt(G) = 64

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

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

Polycyclic presentation:

2^8|a^2=f,b^2=ef,c^2=h,d^2=eh,f^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,f^c=fh

Conjugacy classes & character table

43 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC2×#25409, #6444319, #6444321, …
maximal normal subgroup ofC2×#25409, #6444319, #6444321, …
maximal quotient of#287744, #287750, #287756, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18397);