Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #29602 |
| 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 | C2×#121 | C22 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
361 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)(17,18,20,23)(19,22,26,30)(21,24,28,31)(25,32,27,29);(2,5)(6,8)(17,19,20,26)(18,22,23,30)(21,25,28,27)(24,32,31,29);(1,3)(2,6)(4,7)(5,8)(10,13)(14,16)(18,23)(19,25)(21,28)(22,29)(26,27)(30,32);(3,7)(6,8)(9,11,12,15)(10,14,13,16)(18,23)(22,30)(24,31)(29,32)Polycyclic presentation:
2^8|a^2=h,b^2=h,d^2=fh,g^2=h,b^a=be,c^a=cf,d^a=dh,c^b=cg,g^b=gh,d^c=de,g^c=gh40 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#30035, #6433364, #6433370, … |
| maximal normal subgroup of | C2×#30035, #6433364, #6433370, … |
| maximal quotient of | #380421, #380453, #380479, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 23023);