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 | #2403 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1097 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2)(3,7)(4,5)(6,8)(9,10)(11,15)(12,13)(14,16)(17,18)(19,20)(21,23)(22,24);(2,5)(6,7)(9,11)(10,14)(12,15)(13,16)(19,21)(20,23);(11,16)(14,15)(17,19,22,21)(18,23,24,20);(1,2)(3,6)(4,5)(7,8)(9,11)(10,15)(12,14)(13,16)(17,20,22,23)(18,19,24,21);(1,3,4,8)(2,6,5,7)(9,12,13,10)(11,14,16,15)(17,21,22,19)(18,23,24,20)Polycyclic presentation:
2^8|c^2=g,d^2=g,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×#48675, #7703633, #7704116, … |
| maximal normal subgroup of | C2×#48675, #7703633, #7704116, … |
| maximal quotient of | #560813, #561116, #561917, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 41663);