Finite Group Databasebeta

C31×#2218 #16842151

order3968
nilpotency class4
isoclinismisoclinic class of #2218
automorphism?
homologyAbelianization (H1) = C23×C31 · Schur multiplier (H2) = C2×C4

Aliases

direct productC31×#2218

Subgroups

subgroupG/H
center, socleC22×C31C2×D8
commutator, Frattini, cosocleC2×C8C23×C31
LCSG ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C22×C31 ◁ C22×C4×C31 ◁ C22×C8×C31 ◁ G

170 conjugacy classes of subgroups; only the 64 normal subgroups are shown.

normal subgroups only

This group has 170 conjugacy classes of subgroups — too many to draw. Only its 64 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) = 1984

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)(32,33)(34,35)(37,41)(38,42)(39,45)(43,47)(44,51)(46,50)(48,49);(36,37,42,49,39,44,46,47,40,43,50,51,45,48,38,41);(33,35)(37,43)(41,47)(44,48)(49,51)

Conjugacy classes & character table

806 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#7422, C31×#7424, C31×#13667, …
maximal normal subgroup ofC31×#7422, C31×#7424, C31×#13667, …
maximal quotient ofC31×#12433, C31×#12442, C31×#12454, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 950);