Finite Group Databasebeta
Cayley diagram

#25806

order256
nilpotency class3
isoclinismisoclinic class of #24289
automorphismAut(G) order 16384
homologyAbelianization (H1) = C24 · Schur multiplier (H2) = C25×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22D42
commutator, Frattini, cosocleC22×C4C24
prime radicalC2×#578C2
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

701 conjugacy classes of subgroups; only the 143 normal subgroups are shown.

normal subgroups only

This group has 701 conjugacy classes of subgroups — too many to draw. Only its 143 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)(5,6,11,16)(7,13,19,27)(8,20,23,34)(9,24,10,15)(12,25,28,18)(14,22,30,21)(17,31,33,26)(29,35,36,32);(5,7,10,25,11,19,9,18)(6,12,24,27,16,28,15,13)(8,17,22,35,23,33,21,32)(14,26,34,36,30,31,20,29);(1,2,3,4)(5,7)(6,13)(8,17)(9,18)(10,25)(11,19)(12,24)(14,29)(15,28)(16,27)(20,31)(21,32)(22,35)(23,33)(26,34)(30,36);(5,8,10,22,11,23,9,21)(6,14,24,34,16,30,15,20)(7,17,25,35,19,33,18,32)(12,26,27,36,28,31,13,29)

Polycyclic presentation:

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

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#501029, #501033, #501035, …
maximal normal subgroup of#501029, #501033, #501035, …
maximal quotient of#299255, #299260, #299263, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 18794);