Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #47826 |
| automorphism | Aut(G) = C215 (order 32768) · Inn(G) = C25 · Out(G) = C210 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C27 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | C24 | C24 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
722 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,5,6)(3,7,8,4)(10,13)(14,16)(17,18,22,25)(19,26,21,23)(20,28,30,24)(27,31,29,32);(2,6)(4,7)(17,19,22,21)(18,23,25,26)(20,29,30,27)(24,32,28,31);(1,3)(2,4)(5,8)(6,7)(9,10)(11,14)(12,13)(15,16)(17,20,22,30)(18,24,25,28)(19,27,21,29)(23,31,26,32);(1,4)(2,3)(5,7)(6,8)(17,21,22,19)(18,23,25,26)(20,27,30,29)(24,32,28,31);(1,3)(2,4)(5,8)(6,7)(9,11,12,15)(10,14,13,16)(17,18)(19,26)(20,24)(21,23)(22,25)(27,32)(28,30)(29,31)Polycyclic presentation:
2^8|a^2=f,b^2=h,c^2=h,d^2=h,e^2=fg,b^a=bf,c^a=cg,e^a=ef,c^b=ch,d^b=dfh,e^b=eh,d^c=dh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#51489, #7707338, #7707344, … |
| maximal normal subgroup of | C2×#51489, #7707338, #7707344, … |
| maximal quotient of | #560886, #561004, #561993, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 44477);