Finite Group Databasebeta

C42×C41 #10620287

order656
nilpotency class1
isoclinismisoclinic class of C1
automorphismAut(G) order 3840
homologyAbelianization (H1) = G · Schur multiplier (H2) = C4

Aliases

abelianC42×C41

Subgroups

subgroupG/H
centerGC1
commutatorC1G
Frattini, cosocleC22C22×C41
socle, prime radicalC22×C41C22
LCSG ▷ C1
UCSC1 ◁ G

30 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 49
transitive degreeμt(G) = 656

A minimal faithful permutation representation — 2 generators on 49 points:

(1,2,3,4)(9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49);(5,6,7,8)

Conjugacy classes & character table

656 conjugacy classes. The character table is too large to display.

Relationships

center ofC41×#322, C4×M16×C41, C41×#431, …
Fitting subgroup ofC4×#66491, #13050075, #13050092, …
maximal subgroup ofC4×C8×C41, #97×C41, #104×C41, …
maximal normal subgroup ofC4×C8×C41, #97×C41, #104×C41, …
maximal quotient of#95×C41, C4×C8×C41, #97×C41, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(656, 20);