Finite Group Databasebeta
Cayley diagram

C22×D4×Q8 #62696

order256
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C26 · Schur multiplier (H2) = C214

Aliases

direct productC22×D4×Q8

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC22C26
prime radicalC23×D4C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C22 ▷ C1

5899 conjugacy classes of subgroups; only the 3479 normal subgroups are shown.

normal subgroups only

This group has 5899 conjugacy classes of subgroups — too many to draw. Only its 3479 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) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 6 generators on 16 points:

(1,2);(3,4);(5,6,7,8);(6,8);(9,10,11,12)(13,16,15,14);(9,13,11,15)(10,14,12,16)

Conjugacy classes & character table

100 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD4×C22⋊SL(2,𝔽3), D4×Q8×A4, C22×D4×SL(2,𝔽3)
maximal subgroup ofC2×#8379, #185646, C2×#8388, …
maximal normal subgroup ofC2×#8379, #185646, C2×#8388, …
maximal quotient ofC22×D4×C4⋊C4, C22×Q8×C22⋊C4, C22×Q8×C4⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 55684);