Finite Group Databasebeta

(C31⋊C3)⋊D127 #37556376

order23622
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product(C31⋊C3)⋊D127

Splittings

Fitting, socle, derived, HallC31×C127 ⋊ C2×C3
HallC31⋊C3×C127 ⋊ C2
HallD3937 ⋊ C3
SylowC127 ⋊ D31⋊C3
HallC31⋊C3 ⋊ D127
SylowC31 ⋊ C3×D127

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC31×C127C2×C3
LCSG ▷ C31×C127
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 158
transitive degreeμt(G) = 3937

A minimal faithful permutation representation — 2 generators on 158 points:

(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)(36,37)(38,39)(40,41)(42,43)(44,45)(46,47)(48,49)(50,51)(52,53)(54,55)(56,57)(58,59)(60,61)(62,63)(64,65)(66,67)(68,69)(70,71)(72,73)(74,75)(76,77)(78,79)(80,81)(82,83)(84,85)(86,87)(88,89)(90,91)(92,93)(94,95)(96,97)(98,99)(100,101)(102,103)(104,105)(106,107)(108,109)(110,111)(112,113)(114,115)(116,117)(118,119)(120,121)(122,123)(124,125)(126,127)(129,133,134,130,131,135)(132,141,142,136,137,149)(138,151,152,144,145,157)(139,150,146,147,143,140)(148,158,155,154,153,156);(1,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,127,125,123,121,119,117,115,113,111,109,107,105,103,101,99,97,95,93,91,89,87,85,83,81,79,77,75,73,71,69,67,65,63,61,59,57,55,53,51,49,47,45,43,41,39,37,35,33,31,29,27,25,23,21,19,17,15,13,11,9,7,5,3)(128,129,132,138,146,134,133,139,148,155,142,150,141,145,153,152,157,158,151,137,143,149,156,154,147,131,135,140,144,136,130)

Polycyclic presentation:

2,3,31,127|c^a=c^30,d^a=d^126,c^b=c^25

Conjugacy classes & character table

830 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(23622, 22);