Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #18930 |
| automorphism | Aut(G) order 4096 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C25 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C22 | C2×#120 |
| commutator, Frattini, cosocle | C42 | C24 |
| prime radical | #3554 | C2 |
| LCS | G ▷ C42 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C22 ◁ C2×C42 ◁ G | |
| LECS | G ▷ C42 ▷ C22 ▷ C1 | |
433 conjugacy classes of subgroups.
| minimal degree | μ(G) = 32 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 32 points:
(1,2)(3,10)(4,7)(5,9)(6,14)(8,12)(11,15)(13,16)(17,18,22,25)(19,27,28,31)(20,23,21,26)(24,29,32,30);(1,3)(2,8)(4,11)(5,12)(6,15)(7,13)(9,16)(10,14)(18,23)(20,21)(24,31)(25,26)(27,32)(29,30);(1,4,7,2)(3,11,13,8)(5,9,6,14)(10,12,16,15)(17,19,22,28)(18,24,25,32)(20,30,21,29)(23,31,26,27);(1,5,7,6)(2,9,4,14)(3,12,13,15)(8,16,11,10)(18,25)(19,28)(23,26)(29,30)Polycyclic presentation:
2^8|a^2=h,c^2=g,d^2=gh,e^2=g,f^2=h,b^a=be,c^a=cf,d^a=dh,e^a=eg,f^a=fh,e^b=eg,f^b=fh,d^c=dg,e^c=eh,f^c=fh37 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#18976, #6348954, #6348960, … |
| maximal normal subgroup of | C2×#18976, #6348954, #6348960, … |
| maximal quotient of | #170427, #170463, #170522, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 11964);