Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23848 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C24 · Schur multiplier (H2) = C24 |
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 | |
387 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 256 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2,3,4)(5,6,9,12)(7,11,8,10);(5,7,9,8)(6,10,12,11)(13,14)(15,22)(16,20)(17,25)(18,21)(19,23)(24,27)(26,28);(2,4)(13,15,18,24)(14,19,21,28)(16,23,17,26)(20,27,25,22);(5,8,9,7)(6,11,12,10)(13,16,18,17)(14,20,21,25)(15,23,24,26)(19,27,28,22)Polycyclic presentation:
2^8|a^2=ef,b^2=e,c^2=h,d^2=eh,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,g^c=gh52 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#24821, #6445540, #6445557, … |
| maximal normal subgroup of | C2×#24821, #6445540, #6445557, … |
| maximal quotient of | #279307, #279308, #279309, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 17809);