Finite Group Databasebeta
Cayley diagram

#12817

order256
nilpotency class4
isoclinismisoclinic class of #11663
automorphismAut(G) order 8192
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C23

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22C2×#102
commutatorC2×C8C22×C4
Frattini, cosocleC22×C8C23
prime radicalC2×#135C22
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C2×C42 ◁ C2×C4×C8 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

215 conjugacy classes of subgroups; only the 79 normal subgroups are shown.

normal subgroups only

This group has 215 conjugacy classes of subgroups — too many to draw. Only its 79 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 — 3 generators on 36 points:

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

Polycyclic presentation:

2^8|a^2=f,b^2=dh,e^2=g,g^2=h,b^a=bd,c^a=ce,e^a=eg,g^a=gh,e^c=egh,f^c=fh,g^c=gh

Conjugacy classes & character table

46 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131857, #131858, #131859, …
maximal normal subgroup of#131857, #131858, #131859, …
maximal quotient of#134364, #134365, #134409, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5805);