Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #62283 |
| automorphism | ? |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C23×D4 |
| commutator, Frattini, cosocle | C2×C4 | C25 |
| prime radical | #3546 | C2 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ #529 ◁ G | |
| LECS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
858 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2)(3,10)(4,8)(5,14)(6,9)(7,12)(11,16)(13,15)(17,18,21,24)(19,26,28,32)(20,23,30,25)(22,27,31,29);(1,3)(2,7)(4,11)(5,13)(6,12)(8,15)(9,10)(14,16)(17,18)(19,22)(20,25)(21,24)(23,30)(26,29)(27,32)(28,31);(1,4,6,5)(2,8,9,14)(3,11,12,13)(7,15,10,16)(17,19,20,29,21,28,30,27)(18,22,25,26,24,31,23,32);(3,12)(7,10)(11,13)(15,16)(17,20,21,30)(18,23,24,25)(19,27,28,29)(22,26,31,32);(1,5,6,4)(2,8,9,14)(3,13,12,11)(7,15,10,16)(18,24)(22,31)(23,25)(26,32)Polycyclic presentation:
2^8|a^2=h,c^2=fgh,d^2=h,e^2=fh,g^2=h,b^a=bf,c^a=cg,e^a=ef,g^a=gh,d^b=df,e^b=eh,d^c=dh46 conjugacy classes — view the full character table.
| maximal subgroup of | #250487, #250491, #250495, … |
| maximal normal subgroup of | #250487, #250491, #250495, … |
| maximal quotient of | #6386959, #6389655, #6389683, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 55563);