Finite Group DatabasebetaFinite Group Databasebeta| order | 256 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #3008 |
| automorphism | Aut(G) = C211×D4 (order 16384) · Inn(G) = C22×D4 · Out(G) = C29 |
| homology | Abelianization (H1) = C23×C4 · Schur multiplier (H2) = C24×C4 |
No aliases for this group.
| subgroup | G/H | |
|---|---|---|
| center, socle | C23 | C22×D4 |
| commutator | C2×C4 | C23×C4 |
| Frattini, cosocle | C22×C4 | C24 |
| prime radical | C2×#121 | C22 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23 ◁ C2×#117 ◁ G | |
| LECS | G ▷ C22×C4 ▷ C2 ▷ C1 | |
575 conjugacy classes of subgroups.
| minimal degree | μ(G) = 28 |
| transitive degree | μt(G) = 128 |
A minimal faithful permutation representation — 4 generators on 28 points:
(2,4)(5,6)(7,10)(8,9)(11,12)(13,14,17,19,18,22,16,21)(15,20,25,26,23,27,24,28);(1,2,3,4)(14,19)(16,17)(20,26)(21,22)(24,25)(27,28);(6,9)(10,12)(13,15)(14,20)(16,24)(17,25)(18,23)(19,26)(21,28)(22,27);(5,7,8,11)(6,10,9,12)(15,23)(20,27)(24,25)(26,28)Polycyclic presentation:
2^8|a^2=g,b^2=eg,d^2=f,e^2=h,g^2=h,b^a=be,c^a=cf,e^b=eh,g^b=gh,d^c=dh64 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#21397, #6372395, #6372401, … |
| maximal normal subgroup of | C2×#21397, #6372395, #6372401, … |
| maximal quotient of | #207432, #207449, #207464, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(256, 14385);