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 | C22×D4 | C23 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
738 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 32 points:
(10,13)(14,16)(17,18,22,20)(19,24,27,23)(21,28,30,25)(26,31,29,32);(2,5)(3,7)(17,19,22,27)(18,23,20,24)(21,29,30,26)(25,32,28,31);(1,2,4,5)(3,6,7,8)(9,10)(11,14)(12,13)(15,16)(17,19)(18,24)(20,23)(21,26)(22,27)(25,32)(28,31)(29,30);(1,2)(3,6)(4,5)(7,8)(9,11,12,15)(10,14,13,16)(17,20,22,18)(19,24,27,23)(21,28,30,25)(26,32,29,31);(1,3)(2,6)(4,7)(5,8)(17,21,22,30)(18,25,20,28)(19,26,27,29)(23,31,24,32)Polycyclic presentation:
2^8|a^2=f,b^2=f,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×#49656, #7705661, #7705666, … |
| maximal normal subgroup of | C2×#49656, #7705661, #7705666, … |
| maximal quotient of | #561246, #561363, #562430, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 42644);