Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #2613 |
| automorphism | Aut(G) order 16384 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C22×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, Frattini, cosocle | C22×C4 | C24 |
| commutator, socle, prime radical | C23 | C23×C4 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C22×C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
315 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)(3,6)(4,8)(5,7)(9,10)(11,13)(12,15)(14,16)(17,18,22,25,21,24,26,19)(20,28,31,27,30,23,32,29);(1,3,5,4)(2,6,7,8)(9,11,13,10)(12,15,16,14)(17,19,26,24,21,25,22,18)(20,29,32,23,30,27,31,28);(1,4,5,3)(2,6,7,8)(10,11)(14,15)(17,20,21,30)(18,23,24,28)(19,27,25,29)(22,31,26,32);(9,12,13,16)(10,14,11,15)(20,30)(23,28)(27,29)(31,32)Polycyclic presentation:
2^8|a^2=g,b^2=fg,c^2=ef,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=ceh,d^c=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | #244485, #244486, #244487, … |
| maximal normal subgroup of | #244485, #244486, #244487, … |
| maximal quotient of | #355235, #355385, #355387, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 15298);