| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #2031 |
| automorphism | Aut(G) = C4×#511819 (order 2048) · Inn(G) = #124 · Out(G) = C2×C4×D4 |
| homology | Abelianization (H1) = C22×C4 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center | C8 | #124 |
| commutator | C22×C4 | C22×C4 |
| Frattini, cosocle | C22×C8 | C23 |
| socle | C2 | #1955 |
| prime radical | #575 | C4 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C8 ◁ C22×C8 ◁ G | |
| LECS | G ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1 | |
203 conjugacy classes of subgroups; only the 69 normal subgroups are shown.
This group has 203 conjugacy classes of subgroups — too many to draw. Only its 69 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 64 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 64 points:
(1,2,6,12,7,13,28,42,8,14,29,43,5,11,16,31)(3,15,20,44,18,33,45,41,19,39,27,55,25,9,30,34)(4,10,23,37,22,36,51,60,24,38,54,63,26,40,46,57)(17,47,50,62,21,32,52,59,49,35,56,61,48,58,53,64);(1,3,16,45,5,25,29,20,8,19,28,30,7,18,6,27)(2,9,31,44,11,39,43,34,14,33,42,55,13,15,12,41)(4,21,51,50,26,17,23,53,24,48,46,56,22,49,54,52)(10,35,60,59,40,32,37,62,38,47,57,64,36,58,63,61);(1,4)(2,10)(3,17,19,49)(5,26)(6,23)(7,22)(8,24)(9,32,33,58)(11,40)(12,37)(13,36)(14,38)(15,35,39,47)(16,46)(18,21,25,48)(20,50,27,56)(28,51)(29,54)(30,53,45,52)(31,57)(34,59,41,64)(42,60)(43,63)(44,61,55,62)Polycyclic presentation:
2^8|a^2=f,b^2=df,c^2=e,d^2=h,f^2=g,g^2=h,b^a=bd,c^a=ce,c^b=cg,d^b=dh,e^b=eh,f^b=fh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | #143173, #143174, #143175, … |
| maximal normal subgroup of | #143173, #143174, #143175, … |
| maximal quotient of | #140562, #140566, #140584, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 6187);