Finite Group Databasebeta
Cayley diagram

C2×#376 #2267

order128
nilpotency class2
isoclinismisoclinic class of D4
automorphismAut(G) order 786432
homologyAbelianization (H1) = C22×C42 · Schur multiplier (H2) = C24×C42

Aliases

direct productC2×#376

Subgroups

subgroupG/H
centerC23×C4C22
commutatorC2C22×C42
Frattini, cosocleC23C24
socle, prime radicalC24C23
LCSG ▷ C2 ▷ C1
UCSC1 ◁ C23×C4 ◁ G
LECSG ▷ C23 ▷ C1

420 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 18 points:

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

Conjugacy classes & character table

80 conjugacy classes — view the full character table.

Relationships

derived subgroup of#72268619, #72279676, #72279678, …
Frattini subgroup of#93301, #93373, #93376, …
Fitting subgroup ofC2×#376⋊C3, #11710978, #11710980, …
maximal subgroup ofC2×#1274, #7855, #7906, …
maximal normal subgroup ofC2×#1274, #7855, #7906, …
maximal quotient ofC2×C4×#95, C4×#376, C2×#1434, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 999);