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 | #392 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
807 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2)(3,8)(4,7)(5,6)(17,18,21,24)(19,22,20,23);(1,3,6,4)(2,7,5,8)(10,13)(11,15)(17,19,21,20)(18,22,24,23);(3,4)(7,8)(9,10,12,13)(11,14,15,16)(17,18)(19,22)(20,23)(21,24);(1,4,6,3)(2,7,5,8)(9,10)(11,14)(12,13)(15,16)(17,20,21,19)(18,23,24,22);(1,5,6,2)(3,7,4,8)(9,11)(10,14)(12,15)(13,16)Polycyclic presentation:
2^8|a^2=g,b^2=fg,c^2=fh,d^2=fg,e^2=f,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×#49721, #7705640, #7705671, … |
| maximal normal subgroup of | C2×#49721, #7705640, #7705671, … |
| maximal quotient of | #561171, #561226, #562387, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 42709);