Finite Group Databasebeta
Cayley diagram

C4×#347 #12540

order256
nilpotency class2
isoclinismisoclinic class of H(3,ℤ/4)
automorphismAut(G) order 16384
homologyAbelianization (H1) = C43 · Schur multiplier (H2) = C42

Aliases

direct productC4×#347

Subgroups

subgroupG/H
centerC42C42
commutatorC4C43
Frattini, cosocleC22×C8C23
socleC22C2×#97
prime radicalC23C2×M16
LCSG ▷ C4 ▷ C1
UCSC1 ◁ C42 ◁ G
LECSG ▷ C22×C8 ▷ C4 ▷ C2 ▷ C1

209 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 3 generators on 20 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#93319, #93320, #93321, …
maximal normal subgroup of#93319, #93320, #93321, …
maximal quotient ofC4×#1313, C8×#347, #126534, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 5528);