Finite Group Databasebeta
Cayley diagram

C22×#107 #2908

order128
nilpotency class3
isoclinismisoclinic class of D8
automorphismAut(G) order 196608
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C26

Aliases

direct productC22×#107

Subgroups

subgroupG/H
center, socle, prime radicalC24D4
commutatorC4C23×C4
Frattini, cosocleC2×C4C24
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C23×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

300 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 4 generators on 16 points:

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

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofA4×#107, #11711546, #11711547, …
maximal subgroup of#10862, #10863, #10870, …
maximal normal subgroup of#10862, #10863, #10870, …
maximal quotient ofC22×#335, C2×#1567, C2×#1571, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(128, 1640);