Finite Group Databasebeta
Cayley diagram

#20954

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

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

normal subgroups only

This group has 847 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)(5,6,10,16,11,14,9,15)(7,17,21,12,20,28,19,27)(8,22,24,29,25,13,23,30)(18,31,34,35,33,36,32,26);(1,2,3,4)(5,7)(6,12)(8,18)(9,21)(10,19)(11,20)(13,26)(14,27)(15,28)(16,17)(22,35)(23,34)(24,32)(25,33)(29,31)(30,36);(5,8,11,25)(6,13,14,22)(7,18,20,33)(9,24,10,23)(12,26,27,35)(15,30,16,29)(17,31,28,36)(19,34,21,32);(6,14)(12,27)(13,22)(15,16)(17,28)(26,35)(29,30)(31,36)

Polycyclic presentation:

2^8|a^2=g,b^2=eg,c^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#148491, #152318, #152320, …
maximal normal subgroup of#148491, #152318, #152320, …
maximal quotient of#193790, #193799, #193803, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 13942);