Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24378 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C23 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C43 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
314 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2,4,6)(3,7,8,5)(17,18,20,22)(19,25,26,32)(21,29,28,24)(23,31,30,27);(1,3,4,8)(2,5,6,7)(9,10)(11,14)(12,13)(15,16)(18,22)(19,26)(24,29)(27,31);(10,13)(14,16)(17,19,21,27,20,26,28,31)(18,23,24,25,22,30,29,32);(2,6)(5,7)(9,11,12,15)(10,14,13,16)(18,22)(23,30)(24,29)(25,32)Polycyclic presentation:
2^8|a^2=e,b^2=eh,c^2=f,d^2=gh,f^2=h,b^a=be,c^a=cf,d^a=de,f^a=fh,c^b=cg58 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#29517, #6461751, #6461769, … |
| maximal normal subgroup of | C2×#29517, #6461751, #6461769, … |
| maximal quotient of | #363754, #364209, #371591, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 22505);