Finite Group Databasebeta
Cayley diagram

#20955

order256
nilpotency class3
isoclinismisoclinic class of #3019
automorphismAut(G) order 65536
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#120
commutatorC2×C4C23×C4
Frattini, cosocleC22×C4C24
prime radicalC22×#41C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C23×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

855 conjugacy classes of subgroups; only the 239 normal subgroups are shown.

normal subgroups only

This group has 855 conjugacy classes of subgroups — too many to draw. Only its 239 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:

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

Polycyclic presentation:

2^8|a^2=g,b^2=eg,d^2=h,e^2=h,g^2=h,b^a=be,c^a=cf,d^a=dh,f^a=fh,e^b=eh,f^b=fh,g^b=gh,e^c=eh,g^c=gh

Conjugacy classes & character table

58 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#147805, #147806, #147839, …
maximal normal subgroup of#147805, #147806, #147839, …
maximal quotient of#193791, #193800, #193804, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13943);