Finite Group Databasebeta

C31×#554 #14520735

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

Aliases

direct productC31×#554

Subgroups

subgroupG/H
center, socleC22×C31C24
commutator, Frattini, cosocleC22C24×C31
prime radicalC2×D4×C31C22
LCSG ▷ C22 ▷ C1
UCSC1 ◁ C22×C31 ◁ G

228 conjugacy classes of subgroups; only the 166 normal subgroups are shown.

normal subgroups only

This group has 228 conjugacy classes of subgroups — too many to draw. Only its 166 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) = 992

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)(32,33,36,35)(34,38,39,37)(40,41,44,43)(42,46,47,45);(33,35)(37,38)(40,42,44,47)(41,45,43,46);(32,34)(33,37)(35,38)(36,39);(32,35,36,33)(34,38,39,37)(40,43,44,41)(42,45,47,46)

Conjugacy classes & character table

775 conjugacy classes — view the full character table.

Relationships

Fitting subgroup of#16844783, #16844845, #16844918, …
maximal subgroup ofC31×#1622, C31×#1632, C31×#1643, …
maximal normal subgroup ofC31×#1622, C31×#1632, C31×#1643, …
maximal quotient ofC31×#2345, D4×C4⋊C4×C31, C31×#2349, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 235);