Finite Group Databasebeta
Cayley diagram

C2×#380 #2278

order128
nilpotency class2
isoclinismisoclinic class of #120
automorphismAut(G) order 131072
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C27

Aliases

direct productC2×#380

Subgroups

subgroupG/H
center, socleC24C23
commutatorC22C23×C4
Frattini, cosocleC23C24
prime radicalC25C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

616 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);(4,6)(7,8,9,10)(12,14);(11,12,13,14);(3,4)(5,6)(7,8)(9,10)

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#7915, C2×#1289, #7983, …
maximal normal subgroup of#7915, C2×#1289, #7983, …
maximal quotient ofC2×C22⋊#95, C2×#1434, C2×C4⋊#95, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1010);