Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of #35680 |
| automorphism | Aut(G) order 131072 |
| homology | Abelianization (H1) = C25 · Schur multiplier (H2) = C28 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, commutator, Frattini, socle, cosocle | C23 | C25 |
| prime radical | #2397 | C2 |
| LCS | G ▷ C23 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ G | |
| LECS | G ▷ C23 ▷ C1 | |
1087 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 5 generators on 28 points:
(2,3)(6,10)(11,12)(13,14,18,16)(15,21,22,19)(17,20,25,24)(23,27,28,26);(1,2,4,3)(15,22)(19,21)(23,28)(26,27);(1,3,4,2)(5,6,9,10)(7,11,8,12)(13,15,18,22)(14,19,16,21)(17,23,25,28)(20,26,24,27);(5,7,9,8)(6,11,10,12)(13,16,18,14)(15,21,22,19)(17,20,25,24)(23,26,28,27);(5,8,9,7)(6,12,10,11)(13,17,18,25)(14,20,16,24)(15,23,22,28)(19,26,21,27)Polycyclic presentation:
2^8|a^2=h,b^2=f,c^2=g,d^2=fg,e^2=fg,b^a=bf,c^a=cg,c^b=ch,e^d=eh64 conjugacy classes — view the full character table.
| maximal subgroup of | #132393, #248332, #248333, … |
| maximal normal subgroup of | #132393, #248332, #248333, … |
| maximal quotient of | #517984, #517986, #518003, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 29053);