Finite Group Databasebeta
Cayley diagram

C2×C4×AGL(1,ℤ/8) #60156

order256
nilpotency class3
isoclinismisoclinic class of AGL(1,ℤ/8)
automorphismAut(G) order 131072
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC2×C4×AGL(1,ℤ/8)

Subgroups

subgroupG/H
centerC22×C4C2×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
socleC23C22×D4
prime radicalC22×AGL(1,ℤ/8)C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C4 ◁ C22×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1621 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 14 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#111569, #111571, #111573, …
maximal normal subgroup of#111569, #111571, #111573, …
maximal quotient ofC2×C8×AGL(1,ℤ/8), C2×#17869, C2×#17871, …
automorphism group of#1335, #2170, C5×#108, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53144);