Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #23860 |
| 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 | C23 | C22×D4 |
| commutator, Frattini, cosocle | C22×C4 | C24 |
| prime radical | C22×D4 | C23 |
| LCS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C4×C4⋊C4 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
397 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(1,2,4,3)(5,6)(7,11)(8,9)(10,12)(13,14,17,20)(15,18,22,26)(16,19,23,27)(21,25,24,28);(1,3,4,2)(6,9)(10,11)(15,21)(16,23)(18,25)(19,27)(22,24)(26,28);(2,3)(13,15,17,22)(14,18,20,26)(16,24,23,21)(19,28,27,25);(5,7,8,12)(6,10,9,11)(15,22)(18,26)(21,24)(25,28)Polycyclic presentation:
2^8|a^2=fh,b^2=f,c^2=h,d^2=e,g^2=h,b^a=be,c^a=cf,d^a=de,c^b=cg,g^b=gh,d^c=dh,g^c=gh46 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#25287, #6448022, #6448028, … |
| maximal normal subgroup of | C2×#25287, #6448022, #6448028, … |
| maximal quotient of | #286755, #286756, #286757, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 18275);