Finite Group Databasebeta
Cayley diagram

#19712

order256
nilpotency class3
isoclinismisoclinic class of #19697
automorphismAut(G) order 32768
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C23×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#127
commutator, Frattini, cosocleC42C24
prime radical#3169C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ G
LECSG ▷ C42 ▷ C22 ▷ C1

352 conjugacy classes of subgroups; only the 115 normal subgroups are shown.

normal subgroups only

This group has 352 conjugacy classes of subgroups — too many to draw. Only its 115 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) = 32
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 32 points:

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

Polycyclic presentation:

2^8|b^2=eg,c^2=fg,d^2=gh,e^2=g,f^2=h,b^a=be,c^a=cf,e^a=eg,f^a=fh,c^b=ch,d^c=dg

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#143189, #143191, #143192, …
maximal normal subgroup of#143189, #143191, #143192, …
maximal quotient of#191457, #206210, #206211, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 12700);