Finite Group Databasebeta
Cayley diagram

Q8×#126 #36550

order256
nilpotency class2
isoclinismisoclinic class of D4×#120
automorphismAut(G) order 589824
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productQ8×#126

Subgroups

subgroupG/H
center, commutator, Frattini, socle, cosocleC23C25
prime radicalC24C24
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23 ◁ G
LECSG ▷ C23 ▷ C1

852 conjugacy classes of subgroups; only the 497 normal subgroups are shown.

normal subgroups only

This group has 852 conjugacy classes of subgroups — too many to draw. Only its 497 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 24
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 5 generators on 24 points:

(17,18,20,22)(19,23,24,21);(17,19,20,24)(18,21,22,23);(3,7)(5,8)(10,13)(11,15);(1,2,4,6)(3,5,7,8)(9,10)(11,14)(12,13)(15,16);(1,3)(2,5)(4,7)(6,8)(9,11,12,15)(10,14,13,16)

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofQ8×#126⋊C3, SL(2,𝔽3)×#126, #11709992
maximal subgroup ofSD16×#126, Q16×#126, #6579593, …
maximal normal subgroup ofSD16×#126, Q16×#126, #6579593, …
maximal quotient ofQ8×#388, Q8×#387, C4⋊C4×#126, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 29538);