Finite Group Databasebeta
Cayley diagram

C42×D4 #2271

order128
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) order 49152
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C25×C4

Aliases

direct productC42×D4

Subgroups

subgroupG/H
centerC2×C42C22
commutatorC2C22×C42
Frattini, socle, cosocleC23C24
prime radicalC22×D4C22
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C42 ◁ G
LECSG ▷ C23 ▷ C1

462 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 12
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 4 generators on 12 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD4×C42⋊C3, #11711184, #11711187, …
maximal subgroup ofC4×D4⋊C8, #8170, #8172, …
maximal normal subgroup ofC4×D4⋊C8, #8170, #8172, …
maximal quotient ofC42×C22⋊C4, C42×C4⋊C4, C4×#386, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1003);