Finite Group Databasebeta
Cayley diagram

C2×C4×M16 #2871

order128
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) order 32768
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C4

Aliases

direct productC2×C4×M16

Subgroups

subgroupG/H
centerC2×C42C22
commutatorC2C22×C42
Frattini, cosocleC2×C4C24
socleC23C22×C4
prime radicalC24C2×C4
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C2×C42 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

328 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 generators on 14 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

derived subgroup of#72338365, #72338368, #72338370, …
Frattini subgroup of#93284, #93285, #93292, …
maximal subgroup of#7848, #7850, #7852, …
maximal normal subgroup of#7848, #7850, #7852, …
maximal quotient ofC2×C8×M16, C2×#1451, C2×#1453, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1603);