Finite Group Databasebeta

C2×D8145 #45656393

order32580
automorphismAut(G) order 70372800
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD16290
direct productC2×D8145
unambiguous semidirect product(C2×C5)⋊D1629
unambiguous semidirect product(C2×C9)⋊D905
unambiguous semidirect product(C2×C181)⋊D45

Splittings

FittingC2×C5×C9×C181 ⋊ C2
derived, HallC5×C9×C181 ⋊ C22
HallC9×C181 ⋊ C2×D5
HallC5×C181 ⋊ C2×D9
SylowC181 ⋊ C2×D45
HallC5×C9 ⋊ C2×D181
SylowC9 ⋊ C2×D905
SylowC5 ⋊ C2×D1629

Subgroups

subgroupG/H
center, hypercenterC2D8145
commutator, cosocle, hypocenterC5×C9×C181C22
FrattiniC3C2×D2715
FittingC2×C5×C9×C181C2
socleC2×C3×C5×C181D3
LCSG ▷ C5×C9×C181
UCSC1 ◁ C2

60 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 197
transitive degreeμt(G) = 16290

A minimal faithful permutation representation — 2 generators on 197 points:

(1,2)(3,4,5,6,7,8,9,10,11)(12,13,14,15,16)(17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197);(4,11)(5,10)(6,9)(7,8)(13,16)(14,15)(18,197)(19,196)(20,195)(21,194)(22,193)(23,192)(24,191)(25,190)(26,189)(27,188)(28,187)(29,186)(30,185)(31,184)(32,183)(33,182)(34,181)(35,180)(36,179)(37,178)(38,177)(39,176)(40,175)(41,174)(42,173)(43,172)(44,171)(45,170)(46,169)(47,168)(48,167)(49,166)(50,165)(51,164)(52,163)(53,162)(54,161)(55,160)(56,159)(57,158)(58,157)(59,156)(60,155)(61,154)(62,153)(63,152)(64,151)(65,150)(66,149)(67,148)(68,147)(69,146)(70,145)(71,144)(72,143)(73,142)(74,141)(75,140)(76,139)(77,138)(78,137)(79,136)(80,135)(81,134)(82,133)(83,132)(84,131)(85,130)(86,129)(87,128)(88,127)(89,126)(90,125)(91,124)(92,123)(93,122)(94,121)(95,120)(96,119)(97,118)(98,117)(99,116)(100,115)(101,114)(102,113)(103,112)(104,111)(105,110)(106,109)(107,108)

Conjugacy classes & character table

8148 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD32580
maximal normal subgroup ofD32580
maximal quotient ofDic16290, D32580

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32580, 64);