Finite Group Databasebeta

C31×#551 #14520732

order1984
nilpotency class2
isoclinismisoclinic class of D42
automorphism?
homologyAbelianization (H1) = C24×C31 · Schur multiplier (H2) = C24

Aliases

direct productC31×#551

Subgroups

subgroupG/H
center, socleC22×C31C24
commutator, Frattini, cosocleC22C24×C31
prime radicalC31×#120C2
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C31 ◁ G

248 conjugacy classes of subgroups; only the 150 normal subgroups are shown.

normal subgroups only

This group has 248 conjugacy classes of subgroups — too many to draw. Only its 150 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 47
transitive degreeμt(G) = 496

A minimal faithful permutation representation — 4 generators on 47 points:

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

Conjugacy classes & character table

775 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#16847701, D31×#551, #16859266, …
maximal subgroup ofC31×#2197, C2×C31×#551, C31×#3475, …
maximal normal subgroup ofC31×#2197, C2×C31×#551, C31×#3475, …
maximal quotient ofC31×#2342, C31×#2343, C31×#2353, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 232);