Finite Group Databasebeta

C31×#464 #14520645

order1984
nilpotency class3
isoclinismisoclinic class of #447
automorphism?
homologyAbelianization (H1) = C23×C31 · Schur multiplier (H2) = C22

Aliases

direct productC31×#464

Subgroups

subgroupG/H
center, socleC22×C31C2×D4
commutator, Frattini, cosocleC2×C4C23×C31
prime radicalC2×D4×C31C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C42×C31 ◁ G

112 conjugacy classes of subgroups; only the 54 normal subgroups are shown.

normal subgroups only

This group has 112 conjugacy classes of subgroups — too many to draw. Only its 54 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) = 51
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 3 generators on 51 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)(33,35)(36,37)(38,44)(39,41)(40,48)(42,46)(43,47)(45,51)(49,50);(32,33,34,35)(37,41)(42,50)(43,48)(44,51);(36,38,39,45)(37,42,41,50)(40,49,47,46)(43,51,48,44)

Conjugacy classes & character table

589 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofD31×#464, #16855165, #16855181, …
maximal subgroup ofC2×C31×#464, C31×#3035, C31×#3037, …
maximal normal subgroup ofC2×C31×#464, C31×#3035, C31×#3037, …
maximal quotient ofC31×#1678, C31×#1680, C31×#1682, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1984, 145);