Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #34980 |
| 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 | C2×#120 | C22 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1031 conjugacy classes of subgroups.
| minimal degree | μ(G) = 24 |
| transitive degree | μt(G) = 64 |
A minimal faithful permutation representation — 5 generators on 24 points:
(3,7)(6,8)(11,15)(12,16)(17,18,21,24)(19,20,23,22);(2,5)(6,8)(9,10,13,14)(11,16,15,12)(17,19,21,23)(18,22,24,20);(1,2)(3,6)(4,5)(7,8)(9,11)(10,12)(13,15)(14,16)(17,18)(19,22)(20,23)(21,24);(1,2)(3,6)(4,5)(7,8)(9,10)(11,12)(13,14)(15,16);(1,3)(2,6)(4,7)(5,8)(9,12)(10,11)(13,16)(14,15)(17,20,21,22)(18,23,24,19)Polycyclic presentation:
2^8|a^2=f,b^2=g,e^2=f,b^a=bf,c^a=cg,e^a=eh,c^b=ch,d^b=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#34999, #7628183, #7628267, … |
| maximal normal subgroup of | C2×#34999, #7628183, #7628267, … |
| maximal quotient of | #516407, #516419, #516623, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 27987);