Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #30396 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C22×C4 |
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 ◁ C4×C4⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
351 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2,6,7)(3,5,8,4)(9,10)(11,13)(12,14)(15,16)(17,18)(19,25)(20,23)(21,24)(22,27)(26,32)(28,31)(29,30);(1,3,6,8)(2,4,7,5)(9,11,12,15)(10,13,14,16)(19,26)(21,28)(22,30)(24,31)(25,32)(27,29);(1,4,6,5)(2,3,7,8)(10,14)(13,16)(17,19,20,27)(18,22,23,25)(21,29,28,26)(24,32,31,30);(1,5,6,4)(2,3,7,8)(10,14)(13,16)(18,23)(22,25)(24,31)(30,32)Polycyclic presentation:
2^8|a^2=e,b^2=efh,c^2=eh,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=def,c^b=cg,d^b=de,g^b=gh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | #6633228, #6633234, #6633251, … |
| maximal normal subgroup of | #6633228, #6633234, #6633251, … |
| maximal quotient of | #383404, #384101, #384146, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 24628);