Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #29592 |
| 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 | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C24 | C2×D4 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C22×C42 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
370 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)(3,6)(4,5)(7,8)(9,10)(11,14)(12,13)(15,16)(17,18,21,22)(19,23,26,30)(20,27,29,24)(25,28,32,31);(2,5)(6,8)(17,19,21,26)(18,23,22,30)(20,28,29,31)(24,25,27,32);(1,3)(2,6)(4,7)(5,8)(10,13)(14,16)(17,20,21,29)(18,24,22,27)(19,25,26,32)(23,31,30,28);(3,7)(6,8)(9,11,12,15)(10,14,13,16)Polycyclic presentation:
2^8|a^2=h,b^2=h,c^2=h,d^2=fh,g^2=h,b^a=be,c^a=cf,c^b=cg,g^b=gh,d^c=de,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#30021, #6433347, #6433366, … |
| maximal normal subgroup of | C2×#30021, #6433347, #6433366, … |
| maximal quotient of | #380415, #380443, #380473, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 23009);