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 | #2424 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
860 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(1,2,6,4)(3,8,5,7)(9,10)(11,14)(12,13)(15,16)(17,18,20,22)(19,21,23,24);(2,4)(7,8)(10,12)(14,15);(1,3,6,5)(2,7,4,8)(9,10,13,12)(11,15,16,14)(17,18)(19,21)(20,22)(23,24);(1,4,6,2)(3,8,5,7)(9,11,13,16)(10,14,12,15);(1,5,6,3)(2,8,4,7)(9,12,13,10)(11,15,16,14)(17,19,20,23)(18,21,22,24)Polycyclic presentation:
2^8|a^2=gh,c^2=f,d^2=f,e^2=g,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×#49166, #7704391, #7704969, … |
| maximal normal subgroup of | C2×#49166, #7704391, #7704969, … |
| maximal quotient of | #560761, #561054, #561865, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 42154);