Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of D4×#120 |
| 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 | C2×#120 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
963 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(9,10)(11,16)(12,15)(13,14)(19,23)(22,24);(1,2,4,6)(3,5,8,7)(10,14)(11,15)(17,18,21,20)(19,22,23,24);(1,2)(3,7)(4,6)(5,8)(9,11,13,15)(10,12,14,16)(17,19)(18,22)(20,24)(21,23);(1,3)(2,5)(4,8)(6,7)(9,12,13,16)(10,15,14,11)(17,20,21,18)(19,24,23,22);(1,2)(3,7)(4,6)(5,8)(9,10)(11,12)(13,14)(15,16)Polycyclic presentation:
2^8|b^2=gh,c^2=f,d^2=g,b^a=bf,c^a=cg,c^b=ch,e^b=eh,d^c=dh,e^d=eh70 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#36342, #7630014, #7630029, … |
| maximal normal subgroup of | C2×#36342, #7630014, #7630029, … |
| maximal quotient of | #519002, #519028, #519071, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29330);