Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #24274 |
| 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, 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 | |
297 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)(3,7)(4,6)(5,8)(9,10,12,14)(11,15,16,13)(17,18)(19,25)(20,23)(21,24)(22,28)(26,30)(27,31)(29,32);(1,3,5,4)(2,6,8,7)(17,19,26,27,20,28,21,29)(18,22,30,32,23,25,24,31);(1,3,5,4)(2,7,8,6)(9,11,12,16)(10,13,14,15)(18,23)(19,27)(21,26)(22,31)(25,32)(28,29);(1,4,5,3)(2,7,8,6)(18,23)(19,28)(24,30)(27,29)Polycyclic presentation:
2^8|a^2=fh,b^2=eg,c^2=ef,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,d^b=dh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#28840, #6466590, #6466598, … |
| maximal normal subgroup of | C2×#28840, #6466590, #6466598, … |
| maximal quotient of | #362262, #362308, #365855, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 21828);