Finite Group Databasebeta

C31×#1912 #16841845

order3968
nilpotency class3
isoclinismisoclinic class of #1909
automorphism?
homologyAbelianization (H1) = C22×C4×C31 · Schur multiplier (H2) = C24

Aliases

direct productC31×#1912

Subgroups

subgroupG/H
center, socleC2×C31#386
commutatorC2×C4C22×C4×C31
Frattini, cosocleC22×C4C23×C31
prime radicalC2×#41×C31C22
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C31 ◁ C22×C4×C31 ◁ G

314 conjugacy classes of subgroups; only the 108 normal subgroups are shown.

normal subgroups only

This group has 314 conjugacy classes of subgroups — too many to draw. Only its 108 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) = 63
transitive degreeμt(G) = 992

A minimal faithful permutation representation — 3 generators on 63 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)(32,33,37,41,38,42,36,52)(34,43,47,54,46,58,45,39)(35,48,50,56,51,40,49,55)(44,57,61,53,60,63,59,62);(32,34)(33,39,42,54)(35,44)(36,45)(37,47)(38,46)(40,53,48,62)(41,43,52,58)(49,59)(50,61)(51,60)(55,63,56,57);(32,35,38,51)(33,40,42,48)(34,44,46,60)(36,50,37,49)(39,53,54,62)(41,56,52,55)(43,57,58,63)(45,61,47,59)

Conjugacy classes & character table

899 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC31×#12781, C31×#12782, C2×C31×#1912, …
maximal normal subgroup ofC31×#12781, C31×#12782, C2×C31×#1912, …
maximal quotient ofC31×#9100, C31×#9102, C31×#9104, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(3968, 644);