| order | 256 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #13350 |
| automorphism | Aut(G) = #72317013 (order 4096) · Inn(G) = #2021 · Out(G) = C22×D4 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C24 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C2 | #2021 |
| commutator, Frattini, cosocle | C2×#41 | C23 |
| prime radical | #585 | C22 |
| LCS | G ▷ C2×#41 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C2×C4 ◁ C2×#41 ◁ G | |
| LECS | G ▷ C2×#41 ▷ C22 ▷ C2 ▷ C1 | |
341 conjugacy classes of subgroups; only the 47 normal subgroups are shown.
This group has 341 conjugacy classes of subgroups — too many to draw. Only its 47 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:
(1,2,7,12)(3,13,17,39)(4,18,21,36)(5,10,23,35)(6,24,26,11)(8,27,30,15)(9,25,33,20)(14,40,43,64)(16,46,48,38)(19,50,52,63)(22,53,55,34)(28,58,31,61)(29,45,56,57)(32,54,62,51)(37,47,59,42)(41,49,44,60);(1,3)(2,8)(4,14)(5,15)(6,16)(7,17)(9,31)(10,13)(11,29)(12,30)(18,49)(19,41)(20,42)(21,43)(22,45)(23,27)(24,56)(25,47)(26,48)(28,33)(32,37)(34,38)(35,39)(36,60)(40,50)(44,52)(46,53)(51,58)(54,61)(55,57)(59,62)(63,64);(1,4,7,21)(2,9,12,33)(3,14,17,43)(5,19,23,52)(6,25,26,20)(8,28,30,31)(10,32,35,62)(11,36,24,18)(13,37,39,59)(15,44,27,41)(16,47,48,42)(22,54,55,51)(29,49,56,60)(34,63,53,50)(38,64,46,40)(45,58,57,61)Polycyclic presentation:
2^8|a^2=h,c^2=h,e^2=h,b^a=bd,c^a=ce,e^a=eh,f^a=fgh,c^b=cf,g^b=gh,d^c=dg,e^c=eh,f^d=fh28 conjugacy classes — view the full character table.
| maximal subgroup of | #151152, #151153, #151324, … |
| maximal normal subgroup of | #151152, #151153, #151324, … |
| maximal quotient of | #142227, #142275, #142323, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 6340);