| order | 256 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13700 |
| automorphism | Aut(G) = D4×#12067 (order 2048) · Inn(G) = #2215 · Out(G) = C2×C8 |
| homology | Abelianization (H1) = C23 · Schur multiplier (H2) = C22 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C2 | #2215 |
| commutator, Frattini, cosocle | C2×C16 | C23 |
| prime radical | #2221 | C2 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2 ◁ C2×C4 ◁ #131 ◁ #504 ◁ G | |
| LECS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
92 conjugacy classes of subgroups.
| minimal degree | μ(G) = 64 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 3 generators on 64 points:
(2,9)(3,16)(4,20)(5,7)(6,21)(10,24)(11,38)(12,32)(13,44)(14,30)(15,33)(17,48)(18,51)(19,25)(22,36)(23,37)(26,27)(28,39)(29,31)(34,43)(35,52)(40,59)(41,57)(42,56)(45,58)(46,49)(50,60)(54,62)(55,61)(63,64);(1,2,10,34,6,13,23,32,5,12,36,44,26,43,4,9,8,15,20,31,27,45,22,30,7,14,37,58,21,29,24,33)(3,11,35,59,18,40,46,38,25,42,48,62,53,63,17,28,19,41,49,55,51,61,52,57,16,39,60,64,47,54,50,56);(1,3)(2,11)(4,17)(5,25)(6,18)(7,16)(8,19)(9,28)(10,35)(12,42)(13,40)(14,39)(15,41)(20,49)(21,47)(22,52)(23,46)(24,50)(26,53)(27,51)(29,54)(30,57)(31,55)(32,38)(33,56)(34,59)(36,48)(37,60)(43,63)(44,62)(45,61)(58,64)Polycyclic presentation:
2^8|b^2=dfh,d^2=fg,e^2=h,f^2=gh,g^2=h,b^a=bd,c^a=ce,d^a=df,e^a=eh,f^a=fg,g^a=gh,e^c=eh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#13702, #512951, #512952, … |
| maximal normal subgroup of | C2×#13702, #512951, #512952, … |
| maximal quotient of | #151639, #151642, #151648, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 6690);