Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #40484 |
| 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 | #2661 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
776 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(1,2,6,4)(3,7,8,5)(10,13)(14,16)(17,18,22,25)(19,20,27,23)(21,24,29,31)(26,28,32,30);(1,3)(2,7)(4,5)(6,8)(17,19,22,27)(18,23,25,20)(21,26,29,32)(24,30,31,28);(2,4)(3,8)(9,10)(11,14)(12,13)(15,16)(17,19)(18,20)(21,26)(22,27)(23,25)(24,28)(29,32)(30,31);(1,4,6,2)(3,5,8,7)(9,11,12,15)(10,14,13,16)(17,20)(18,19)(21,28)(22,23)(24,26)(25,27)(29,30)(31,32);(1,5)(2,3)(4,8)(6,7)(17,21,22,29)(18,24,25,31)(19,26,27,32)(20,28,23,30)Polycyclic presentation:
2^8|a^2=h,b^2=f,d^2=g,e^2=f,b^a=bf,c^a=cg,d^a=df,c^b=ch,e^b=efh,d^c=dfh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#41454, #7639992, #7640227, … |
| maximal normal subgroup of | C2×#41454, #7639992, #7640227, … |
| maximal quotient of | #544663, #545187, #545708, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 34442);